BIOLASE, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Lines of Credit and Other Borrowings - Additional Information (Detail)

Lines of Credit and Other Borrowings - Additional Information (Detail) (USD $)	0 Months Ended						3 Months Ended		12 Months Ended
	Jul. 28, 2014	Jun. 03, 2014	May 31, 2014	May 05, 2014	Apr. 10, 2014	Mar. 04, 2014	Mar. 31, 2015 Agreement	Mar. 31, 2014	Dec. 31, 2014
Line Of Credit Facility [Line Items]
Number revolving credit facility agreements							2
Repayments under Credit Agreements	$ 2,900,000us-gaap_RepaymentsOfLinesOfCredit							$ 9,325,000us-gaap_RepaymentsOfLinesOfCredit
Credit agreements amendment fee					10,000biol_AmendmentsAndAdministrativeFees	10,000biol_AmendmentsAndAdministrativeFees
Lines of credit maximum borrowing capacity					4,000,000	5,000,000
Line of credit facility, expiration date		Aug. 01, 2014	Aug. 01, 2014	Jun. 01, 2014					May 01, 2014
Revolving lines of credit fee paid		15,000biol_LineOfCreditNonCompliancePayments	10,000biol_LineOfCreditNonCompliancePayments	10,000biol_LineOfCreditNonCompliancePayments
Increase decrease in interest rate of lines of credit facility		0.50%
Prime floor, daily prime plus LIBOR							2.50%biol_PrimeFloor	2.50%biol_PrimeFloor
Unused capacity commitment fee percentage							0.25%
Interest expense incurred for lines of credit and loan and security agreement								229,000us-gaap_InterestExpenseBorrowings
Accrued interest payable									0
Amortization of discounts on lines of credit								120,000
Amortization of debt issuance costs								57,000us-gaap_AmortizationOfFinancingCosts
Restricted cash equivalent							200,000		0
Aggregate agreements amendment fee.								10,000
Financed insurance premium							0biol_FinancedInsurancePremiumPayable	123,000biol_FinancedInsurancePremiumPayable
Number of monthly insurance premium installments payable							Nine
Financial insurance premiums interest rate								2.85%
Interest expense incurred for financed insurance premiums								$ 1,000us-gaap_FinancingInterestExpense
Domestic Revolver Credit Facility \| Prime Rate
Line Of Credit Facility [Line Items]
Interest on principal balance rate plus							2.50%
Ex-Im Revolver \| Prime Rate \| Minimum
Line Of Credit Facility [Line Items]
Interest on principal balance rate plus							2.00%