Stockholders' Equity - Additional Information (Detail)

v2.4.1.9

Stockholders' Equity - Additional Information (Detail) (USD $)	0 Months Ended			1 Months Ended	3 Months Ended				12 Months Ended			0 Months Ended				1 Months Ended			0 Months Ended
	Nov. 07, 2014	Jul. 22, 2014	Feb. 10, 2014	Feb. 28, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jun. 06, 2013	Jul. 13, 2014	Jan. 02, 2015	Aug. 27, 2014	Apr. 26, 2013	Nov. 08, 2012	Sep. 30, 2010	Dec. 19, 2013	Sep. 23, 2013	Jul. 12, 2013	Jul. 18, 2014	Jul. 26, 2013	Mar. 23, 2013	Dec. 31, 2011	Aug. 10, 2011	May 07, 2012	Apr. 18, 2013
Stockholders Equity [Line Items]
Preferred stock, shares authorized					1,000,000us-gaap_PreferredStockSharesAuthorized				1,000,000us-gaap_PreferredStockSharesAuthorized	1,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares outstanding					0us-gaap_PreferredStockSharesOutstanding				0us-gaap_PreferredStockSharesOutstanding	0us-gaap_PreferredStockSharesOutstanding
Common stock, shares issued					37,336,000us-gaap_CommonStockSharesIssued				58,115,000us-gaap_CommonStockSharesIssued	37,336,000us-gaap_CommonStockSharesIssued
Common stock, shares outstanding					35,372,000us-gaap_CommonStockSharesOutstanding				58,115,000us-gaap_CommonStockSharesOutstanding	35,372,000us-gaap_CommonStockSharesOutstanding
Common stock, shares authorized					50,000,000us-gaap_CommonStockSharesAuthorized				100,000,000us-gaap_CommonStockSharesAuthorized	50,000,000us-gaap_CommonStockSharesAuthorized
Treasury Stock Shares					1,964,000us-gaap_TreasuryStockShares					1,964,000us-gaap_TreasuryStockShares	1,964,000us-gaap_TreasuryStockShares											1,963,500us-gaap_TreasuryStockShares			1,964,000us-gaap_TreasuryStockShares
Issuance of stock, net, shares	14,162,873us-gaap_StockIssuedDuringPeriodSharesNewIssues	6,250,000us-gaap_StockIssuedDuringPeriodSharesNewIssues	1,945,525us-gaap_StockIssuedDuringPeriodSharesNewIssues
Common stock issued, price per share	$ 2.39us-gaap_SaleOfStockPricePerShare	$ 1.92us-gaap_SaleOfStockPricePerShare	$ 2.57us-gaap_SaleOfStockPricePerShare
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 4.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Proceeds from equity offering, gross	$ 35,000,000biol_ProceedsFromSaleOfCommonStockGross	$ 12,000,000biol_ProceedsFromSaleOfCommonStockGross	$ 5,000,000biol_ProceedsFromSaleOfCommonStockGross
Payments of stock issuance costs	235,000us-gaap_PaymentsOfStockIssuanceCosts	462,000us-gaap_PaymentsOfStockIssuanceCosts	188,000us-gaap_PaymentsOfStockIssuanceCosts
Proceeds from equity offering, net of expenses	34,800,000us-gaap_ProceedsFromIssuanceOfCommonStock	11,500,000us-gaap_ProceedsFromIssuanceOfCommonStock	4,800,000us-gaap_ProceedsFromIssuanceOfCommonStock						51,118,000us-gaap_ProceedsFromIssuanceOfCommonStock	5,201,000us-gaap_ProceedsFromIssuanceOfCommonStock
Maximum stock offering price																							5,000,000biol_MaximumStockOfferingPrice
Dividends Payable, Date Declared					Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013
Dividends Payable, Date of Record				Mar. 14, 2014	Dec. 16, 2013	Aug. 30, 2013	Jun. 14, 2013	Mar. 15, 2013
Stock dividend policy adopted				2.00%biol_SpecialStockDividendsIntended
Annual Stock Dividend Payable Rate				0.50%biol_PercentageOfStockDividendsPayable
Annual Stock Dividend Payable, Value									0us-gaap_CommonStockDividendsShares
Number of shares authorized to repurchase																										2,000,000us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Average price paid per share											$ 1.73us-gaap_TreasuryStockAcquiredAverageCostPerShare
Stock-based compensation									1,233,000us-gaap_ShareBasedCompensation	1,609,000us-gaap_ShareBasedCompensation	1,600,000us-gaap_ShareBasedCompensation
Minimum required closing price of common stock on the NASDAQ in order to exercise																								$ 6.00biol_RequiredMinimumSharePriceReachedToExerciseWarrants
Allocated Share-based Compensation Expense									1,233,000us-gaap_AllocatedShareBasedCompensationExpense	1,609,000us-gaap_AllocatedShareBasedCompensationExpense	1,600,000us-gaap_AllocatedShareBasedCompensationExpense
Options outstanding					4,441,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber				3,475,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4,441,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3,860,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber														3,858,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Stock option and Restricted stock units vesting description									One-sixth of the stock options and one-sixth of the RSUs vested immediately, with the remaining five-sixths vesting ratably on a monthly basis over the twelve-month period ending on July 13, 2015.
Expected term (years)									3 years 9 months 29 days	3 years 7 months 24 days	3 years 8 months 12 days
Volatility									94.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	84.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	97.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
Risk-free interest rate									1.66%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	1.04%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.77%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
Coo
Stockholders Equity [Line Items]
Stock options granted to COO												350,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_TitleOfIndividualAxis = us-gaap_ChiefOperatingOfficerMember
Exercise Price of Stock Options												$ 4.00biol_ExercisePriceOfStockOptions / us-gaap_TitleOfIndividualAxis = us-gaap_ChiefOperatingOfficerMember
Stock options vesting beginning date												Jun. 06, 2014
Unvested stock options forfeited									306,250us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod / us-gaap_TitleOfIndividualAxis = us-gaap_ChiefOperatingOfficerMember
Stock options expiration date									Feb. 28, 2016
Consultants
Stockholders Equity [Line Items]
Stock-based compensation									0us-gaap_ShareBasedCompensation / us-gaap_TitleOfIndividualAxis = biol_ConsultantMember	0us-gaap_ShareBasedCompensation / us-gaap_TitleOfIndividualAxis = biol_ConsultantMember
Exercise Price of Stock Options																											$ 2.55biol_ExercisePriceOfStockOptions / us-gaap_TitleOfIndividualAxis = biol_ConsultantMember
Stock options granted - Consultant																											65,000biol_StockOptionsGrantedToConsultant / us-gaap_TitleOfIndividualAxis = biol_ConsultantMember
Stock options expiration period									5 years
Cancellation of stock options									Dec. 31, 2014
2002 Stock Incentive Plan
Stockholders Equity [Line Items]
Plan expiration date									May 05, 2019
Common stock authorized for issuance under the 2002 Plan									9,250,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_AwardTypeAxis = biol_TwoThousandTwoStockIncentivePlanMember
Common stock issued pursuant to options exercised									2,993,000biol_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionExercised / us-gaap_AwardTypeAxis = biol_TwoThousandTwoStockIncentivePlanMember
Options outstanding									3,475,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = biol_TwoThousandTwoStockIncentivePlanMember
Options available for future grant									2,782,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_AwardTypeAxis = biol_TwoThousandTwoStockIncentivePlanMember
Non-qualified Stock Options
Stockholders Equity [Line Items]
Options available for future grant													172,282us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_AwardTypeAxis = biol_NonQualifiedStockOptionsMember
Exercise Price of Stock Options													$ 1.98biol_ExercisePriceOfStockOptions / us-gaap_AwardTypeAxis = biol_NonQualifiedStockOptionsMember
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period									12 months
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price													$ 1.31us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice / us-gaap_AwardTypeAxis = biol_NonQualifiedStockOptionsMember
Expected term (years)													3 years 7 months 6 days
Volatility													98.37%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate / us-gaap_AwardTypeAxis = biol_NonQualifiedStockOptionsMember
Risk-free interest rate													1.65%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate / us-gaap_AwardTypeAxis = biol_NonQualifiedStockOptionsMember
Non-qualified Stock Options | Share-based Compensation Award, Tranche One
Stockholders Equity [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage									16.67%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage / us-gaap_AwardTypeAxis = biol_NonQualifiedStockOptionsMember / us-gaap_VestingAxis = us-gaap_ShareBasedCompensationAwardTrancheOneMember
Non-qualified Stock Options | Share-based Compensation Award, Tranche Two
Stockholders Equity [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage									83.33%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage / us-gaap_AwardTypeAxis = biol_NonQualifiedStockOptionsMember / us-gaap_VestingAxis = us-gaap_ShareBasedCompensationAwardTrancheTwoMember
Non-qualified Stock Options | Subsequent Event
Stockholders Equity [Line Items]
Exercise Price of Stock Options														2.64biol_ExercisePriceOfStockOptions / us-gaap_AwardTypeAxis = biol_NonQualifiedStockOptionsMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Non-qualified Stock Options | Officers
Stockholders Equity [Line Items]
Options vesting description									(i) as to 50% of the options, one-fourth on the one-year anniversary of the grant date and the remaining three-fourths, ratably over the next thirty-six month period, commencing on the thirteenth month from grant date, and (ii) as to 50% of the options, upon achievement of specific annual Company performance criteria.
Non-qualified Stock Options | Officers | Subsequent Event
Stockholders Equity [Line Items]
Stock options granted														1,365,702us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = biol_NonQualifiedStockOptionsMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember / us-gaap_TitleOfIndividualAxis = us-gaap_OfficerMember
Options expiration period														10 years
Non-qualified Stock Options | Consultants | Subsequent Event
Stockholders Equity [Line Items]
Stock options granted														86,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = biol_NonQualifiedStockOptionsMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember / us-gaap_TitleOfIndividualAxis = biol_ConsultantMember
Options expiration period														5 years
Restricted Stock Units (RSUs)
Stockholders Equity [Line Items]
Options available for future grant													37,879us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember
Exercise Price of Stock Options													$ 1.98biol_ExercisePriceOfStockOptions / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period									12 months
Restricted Stock Units (RSUs) | Share-based Compensation Award, Tranche One
Stockholders Equity [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage									16.67%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember / us-gaap_VestingAxis = us-gaap_ShareBasedCompensationAwardTrancheOneMember
Restricted Stock Units (RSUs) | Share-based Compensation Award, Tranche Two
Stockholders Equity [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage									83.33%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember / us-gaap_VestingAxis = us-gaap_ShareBasedCompensationAwardTrancheTwoMember
Restricted Stock Units (RSUs) | One Independent Directors
Stockholders Equity [Line Items]
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period															9,217us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember / us-gaap_TitleOfIndividualAxis = biol_OneIndependentDirectorsMember
Restricted Stock Units (RSUs) | Four Independent Director
Stockholders Equity [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period															12 months
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period															36,868us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember / us-gaap_TitleOfIndividualAxis = biol_FourIndependentDirectorMember
Share-based compensation arrangement by share-based payment award, equity instruments other than options, value per share															2.17us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodIntrinsicValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember / us-gaap_TitleOfIndividualAxis = biol_FourIndependentDirectorMember
Sun Dental Warrant
Stockholders Equity [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights																$ 5.90us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = biol_WarrantOneMember
Stock-based compensation									0us-gaap_ShareBasedCompensation / us-gaap_ClassOfWarrantOrRightAxis = biol_WarrantOneMember
Plan expiration date									Apr. 24, 2014
Sun Dental Warrant vesting rate per assisted sale																1,000biol_WarrantVestingRate / us-gaap_ClassOfWarrantOrRightAxis = biol_WarrantOneMember
2013 IR Warrant
Stockholders Equity [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights																												$ 5.10us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = biol_IRWarrantTwoThousandThirteenMember
Stock-based compensation									0us-gaap_ShareBasedCompensation / us-gaap_ClassOfWarrantOrRightAxis = biol_IRWarrantTwoThousandThirteenMember	0us-gaap_ShareBasedCompensation / us-gaap_ClassOfWarrantOrRightAxis = biol_IRWarrantTwoThousandThirteenMember
Minimum required closing price of common stock on the NASDAQ in order to exercise																												$ 7.50biol_RequiredMinimumSharePriceReachedToExerciseWarrants / us-gaap_ClassOfWarrantOrRightAxis = biol_IRWarrantTwoThousandThirteenMember
CMR Warrant
Stockholders Equity [Line Items]
Stock-based compensation									0us-gaap_ShareBasedCompensation / us-gaap_ClassOfWarrantOrRightAxis = biol_WarrantThreeMember	0us-gaap_ShareBasedCompensation / us-gaap_ClassOfWarrantOrRightAxis = biol_WarrantThreeMember
2012 IR Warrant
Stockholders Equity [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights																	$ 2.50us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = biol_IRWarrantTwoThousandTwelveMember
Minimum required closing price of common stock on the NASDAQ in order to exercise																	$ 7.00biol_RequiredMinimumSharePriceReachedToExerciseWarrants / us-gaap_ClassOfWarrantOrRightAxis = biol_IRWarrantTwoThousandTwelveMember
Number of warrant vesting upon early termination																	25,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod / us-gaap_ClassOfWarrantOrRightAxis = biol_IRWarrantTwoThousandTwelveMember
Allocated Share-based Compensation Expense										64,000us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_ClassOfWarrantOrRightAxis = biol_IRWarrantTwoThousandTwelveMember
Stock based compensation, shares issued										9,296us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_ClassOfWarrantOrRightAxis = biol_IRWarrantTwoThousandTwelveMember
2010 IR Warrant
Stockholders Equity [Line Items]
Recognized expense related to the IR Warrants											23,000
2010 IR Warrant | First Tranche
Stockholders Equity [Line Items]
IR Warrants to purchase common stock granted																		50,000biol_IrWarrantsToPurchaseCommonStockGranted / us-gaap_AwardTypeAxis = biol_FirstTrancheMember / us-gaap_ClassOfWarrantOrRightAxis = biol_IRWarrantTwoThousandTenMember
IR warrants issued to purchase common stock																		$ 0.74biol_IrWarrantsIssuedToPurchaseCommonStockPricePerShare / us-gaap_AwardTypeAxis = biol_FirstTrancheMember / us-gaap_ClassOfWarrantOrRightAxis = biol_IRWarrantTwoThousandTenMember
2010 IR Warrant | Mar. 23, 2013 Maximum Second Tranche CMR Warrant Cancelled Dec 2013
Stockholders Equity [Line Items]
IR Warrants to purchase common stock granted																		50,000biol_IrWarrantsToPurchaseCommonStockGranted / us-gaap_AwardTypeAxis = biol_SecondTrancheMember / us-gaap_ClassOfWarrantOrRightAxis = biol_IRWarrantTwoThousandTenMember
IR warrants issued to purchase common stock																		$ 0.74biol_IrWarrantsIssuedToPurchaseCommonStockPricePerShare / us-gaap_AwardTypeAxis = biol_SecondTrancheMember / us-gaap_ClassOfWarrantOrRightAxis = biol_IRWarrantTwoThousandTenMember
Stock repurchase program
Stockholders Equity [Line Items]
Total number of shares purchased											133,365us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_InvestmentTypeAxis = us-gaap_RepurchaseAgreementsMember
Oracle Group
Stockholders Equity [Line Items]
Issuance of stock, net, shares																				340,000us-gaap_StockIssuedDuringPeriodSharesNewIssues / dei_LegalEntityAxis = biol_OracleGroupMember
Common stock issued, price per share																			$ 1.80us-gaap_SaleOfStockPricePerShare / dei_LegalEntityAxis = biol_OracleGroupMember
Proceeds from equity offering, gross																			612,000biol_ProceedsFromSaleOfCommonStockGross / dei_LegalEntityAxis = biol_OracleGroupMember
Proceeds from equity offering, net of expenses																			582,000us-gaap_ProceedsFromIssuanceOfCommonStock / dei_LegalEntityAxis = biol_OracleGroupMember
Cost associated with transaction																			30,000biol_TransactionIssuanceCosts / dei_LegalEntityAxis = biol_OracleGroupMember
Northland Securities Inc
Stockholders Equity [Line Items]
Issuance of stock, net, shares																				2,688,172us-gaap_StockIssuedDuringPeriodSharesNewIssues / dei_LegalEntityAxis = biol_NorthlandSecuritiesIncMember
Common stock issued, price per share																				1.86us-gaap_SaleOfStockPricePerShare / dei_LegalEntityAxis = biol_NorthlandSecuritiesIncMember
Proceeds from equity offering, gross																				5,000,000biol_ProceedsFromSaleOfCommonStockGross / dei_LegalEntityAxis = biol_NorthlandSecuritiesIncMember
Proceeds from equity offering, net of expenses																				4,600,000us-gaap_ProceedsFromIssuanceOfCommonStock / dei_LegalEntityAxis = biol_NorthlandSecuritiesIncMember
Cost associated with transaction																				408,000biol_TransactionIssuanceCosts / dei_LegalEntityAxis = biol_NorthlandSecuritiesIncMember
Valam First Tranche
Stockholders Equity [Line Items]
Warrants issued to purchase common stock																					165,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / dei_LegalEntityAxis = biol_ValamFirstTrancheMember
Class of Warrant or Right, Exercise Price of Warrants or Rights																					$ 4.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / dei_LegalEntityAxis = biol_ValamFirstTrancheMember
Vesting of Valam warrant																					30,000biol_ClassOfWarrantOrRightWarrantsExercisable / dei_LegalEntityAxis = biol_ValamFirstTrancheMember
Warrants and rights outstanding					30,000us-gaap_ClassOfWarrantOrRightOutstanding / dei_LegalEntityAxis = biol_ValamFirstTrancheMember				30,000us-gaap_ClassOfWarrantOrRightOutstanding / dei_LegalEntityAxis = biol_ValamFirstTrancheMember	30,000us-gaap_ClassOfWarrantOrRightOutstanding / dei_LegalEntityAxis = biol_ValamFirstTrancheMember
Stock-based compensation									41,000us-gaap_ShareBasedCompensation / dei_LegalEntityAxis = biol_ValamFirstTrancheMember	41,000us-gaap_ShareBasedCompensation / dei_LegalEntityAxis = biol_ValamFirstTrancheMember
Valam | Original Agreed Price
Stockholders Equity [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights																					$ 6.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = biol_OriginalAgreedPriceMember / dei_LegalEntityAxis = biol_ValamWarrantMember
Plan expiration date									Jul. 14, 2020
Fda Clearance
Stockholders Equity [Line Items]
Vesting of Valam warrant																					55,000biol_ClassOfWarrantOrRightWarrantsExercisable / dei_LegalEntityAxis = biol_FdaClearanceMember
Second Ent Laser
Stockholders Equity [Line Items]
Vesting of Valam warrant																					40,000biol_ClassOfWarrantOrRightWarrantsExercisable / dei_LegalEntityAxis = biol_SecondEntLaserMember
ENT laser revenues required during a 12-month period										5,000,000us-gaap_Revenues / dei_LegalEntityAxis = biol_SecondEntLaserMember
Third Ent Laser
Stockholders Equity [Line Items]
Vesting of Valam warrant																					40,000biol_ClassOfWarrantOrRightWarrantsExercisable / dei_LegalEntityAxis = biol_ThirdEntLaserMember
ENT laser revenues required during a 12-month period										10,000,000us-gaap_Revenues / dei_LegalEntityAxis = biol_ThirdEntLaserMember
2014 Common Stock Issuances
Stockholders Equity [Line Items]
Issuance of stock, net, shares	14,162,873us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember	6,250,000us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember
Common stock issued, price per share	$ 2.39us-gaap_SaleOfStockPricePerShare / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember	$ 1.92us-gaap_SaleOfStockPricePerShare / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember
Warrants issued to purchase common stock	9,205,862us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 4.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember
Proceeds from equity offering, gross	35,000,000biol_ProceedsFromSaleOfCommonStockGross / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember	12,000,000biol_ProceedsFromSaleOfCommonStockGross / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember
Payments of stock issuance costs	235,000us-gaap_PaymentsOfStockIssuanceCosts / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember	462,000us-gaap_PaymentsOfStockIssuanceCosts / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember
Proceeds from equity offering, net of expenses	34,800,000us-gaap_ProceedsFromIssuanceOfCommonStock / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember	11,500,000us-gaap_ProceedsFromIssuanceOfCommonStock / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember
Warrants exercisable	May 07, 2015
Warrants issued for term	3 years
Common Stock
Stockholders Equity [Line Items]
Retirement of treasury stock																						2,000us-gaap_TreasuryStockRetiredCostMethodAmount / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
Additional Paid-in Capital
Stockholders Equity [Line Items]
Retirement of treasury stock																						16,397,000us-gaap_TreasuryStockRetiredCostMethodAmount / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
Series B Junior Participating Cumulative Preferred Stock
Stockholders Equity [Line Items]
Preferred stock, shares authorized									500,000us-gaap_PreferredStockSharesAuthorized / us-gaap_StatementClassOfStockAxis = biol_SeriesBJuniorParticipatingPreferredStockMember
Preferred Stock Purchase Rights Under Stockholder Rights Plan
Stockholders Equity [Line Items]
Preferred stock purchase right expiration date									Dec. 31, 2018
Preferred stock purchase right redemption price per share prior to becoming exercisable									0.001biol_PreferredStockPurchaseRightRedemptionPricePerRight / us-gaap_StatementClassOfStockAxis = biol_PreferredStockPurchaseRightsUnderStockholderRightsPlanMember
Preferred Stock Purchase Rights Under Stockholder Rights Plan | Initial
Stockholders Equity [Line Items]
Exercise price of right, initially									30.00biol_ClassOfWarrantOrRightOriginalExercisePriceOfWarrantsOrRights / us-gaap_ConversionOfStockByUniqueDescriptionAxis = biol_InitialMember / us-gaap_StatementClassOfStockAxis = biol_PreferredStockPurchaseRightsUnderStockholderRightsPlanMember
February Two Thousand Fourteen Subscription Agreement
Stockholders Equity [Line Items]
Issuance of stock, net, shares			1,945,525us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementClassOfStockAxis = biol_FebruaryTwoThousandFourteenSubscriptionAgreementMember
Common stock issued, price per share			$ 2.57us-gaap_SaleOfStockPricePerShare / us-gaap_StatementClassOfStockAxis = biol_FebruaryTwoThousandFourteenSubscriptionAgreementMember
Proceeds from equity offering, gross			5,000,000biol_ProceedsFromSaleOfCommonStockGross / us-gaap_StatementClassOfStockAxis = biol_FebruaryTwoThousandFourteenSubscriptionAgreementMember
Proceeds from equity offering, net of expenses			4,800,000us-gaap_ProceedsFromIssuanceOfCommonStock / us-gaap_StatementClassOfStockAxis = biol_FebruaryTwoThousandFourteenSubscriptionAgreementMember
Cost associated with transaction			188,000biol_TransactionIssuanceCosts / us-gaap_StatementClassOfStockAxis = biol_FebruaryTwoThousandFourteenSubscriptionAgreementMember
Maximum
Stockholders Equity [Line Items]
Preferred stock, shares authorized									1,000,000us-gaap_PreferredStockSharesAuthorized / us-gaap_RangeAxis = us-gaap_MaximumMember
Preferred stock, shares outstanding									0us-gaap_PreferredStockSharesOutstanding / us-gaap_RangeAxis = us-gaap_MaximumMember
Maximum | Sun Dental Warrant
Stockholders Equity [Line Items]
Warrants issued to purchase common stock																500,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = biol_WarrantOneMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Stock-based compensation										$ 1,000us-gaap_ShareBasedCompensation / us-gaap_ClassOfWarrantOrRightAxis = biol_WarrantOneMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Maximum | 2013 IR Warrant
Stockholders Equity [Line Items]
Warrants issued to purchase common stock																												60,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = biol_IRWarrantTwoThousandThirteenMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Maximum | CMR Warrant
Stockholders Equity [Line Items]
Warrants issued to purchase common stock																								100,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = biol_WarrantThreeMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Maximum | CMR Warrant | First Tranche
Stockholders Equity [Line Items]
Warrants issued to purchase common stock																								50,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_AwardTypeAxis = biol_FirstTrancheMember / us-gaap_ClassOfWarrantOrRightAxis = biol_WarrantThreeMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Class of Warrant or Right, Exercise Price of Warrants or Rights																								$ 4.50us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_AwardTypeAxis = biol_FirstTrancheMember / us-gaap_ClassOfWarrantOrRightAxis = biol_WarrantThreeMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Maximum | CMR Warrant | Mar. 23, 2013 Maximum Second Tranche CMR Warrant Cancelled Dec 2013
Stockholders Equity [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights																								$ 4.50us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_AwardTypeAxis = biol_SecondTrancheMember / us-gaap_ClassOfWarrantOrRightAxis = biol_WarrantThreeMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Maximum | CMR Warrant Cancelled Dec 2013 | First Tranche
Stockholders Equity [Line Items]
Warrants issued to purchase common stock					50,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_AwardTypeAxis = biol_FirstTrancheMember / us-gaap_ClassOfWarrantOrRightAxis = biol_WarrantCancelledMember / us-gaap_RangeAxis = us-gaap_MaximumMember					50,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_AwardTypeAxis = biol_FirstTrancheMember / us-gaap_ClassOfWarrantOrRightAxis = biol_WarrantCancelledMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Maximum | CMR Warrant Cancelled Dec 2013 | Mar. 23, 2013 Maximum Second Tranche CMR Warrant Cancelled Dec 2013
Stockholders Equity [Line Items]
Warrants issued to purchase common stock																								50,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_AwardTypeAxis = biol_SecondTrancheMember / us-gaap_ClassOfWarrantOrRightAxis = biol_WarrantCancelledMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Maximum | 2012 IR Warrant
Stockholders Equity [Line Items]
Warrants issued to purchase common stock																	50,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = biol_IRWarrantTwoThousandTwelveMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Minimum | Preferred Stock Purchase Rights Under Stockholder Rights Plan
Stockholders Equity [Line Items]
Single person ownership percentage that triggers preferred stock rights									20.00%biol_BeneficialOwnershipThresholdPercentageToTriggerEvent / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementClassOfStockAxis = biol_PreferredStockPurchaseRightsUnderStockholderRightsPlanMember
Sale of assets or earning power that triggers preferred stock rights									50.00%biol_SaleOfAssetsOrEarningPowerThresholdPercentageToTriggerEvent / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementClassOfStockAxis = biol_PreferredStockPurchaseRightsUnderStockholderRightsPlanMember