Quarterly report pursuant to Section 13 or 15(d)

Concentrations - Summary of Net Revenue from Various Products (Detail)

v2.4.1.9
Concentrations - Summary of Net Revenue from Various Products (Detail) (Product Concentration Risk, Sales Revenue, Net)
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Concentration Risk [Line Items]    
Concentration Risk Percentage 100.00%us-gaap_ConcentrationRiskPercentage1 100.00%us-gaap_ConcentrationRiskPercentage1
Laser systems    
Concentration Risk [Line Items]    
Concentration Risk Percentage 64.60%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_ProductConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= biol_LaserSystemsMember 		60.40%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_ProductConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= biol_LaserSystemsMember
Imaging systems    
Concentration Risk [Line Items]    
Concentration Risk Percentage 3.10%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_ProductConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= biol_ImagingSystemMember 		10.40%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_ProductConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= biol_ImagingSystemMember
Consumables and other    
Concentration Risk [Line Items]    
Concentration Risk Percentage 17.50%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_ProductConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= biol_ConsumableAndOtherMember 		13.90%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_ProductConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= biol_ConsumableAndOtherMember
Services    
Concentration Risk [Line Items]    
Concentration Risk Percentage 13.80%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_ProductConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= biol_ServiceMember 		15.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_ProductConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= biol_ServiceMember
License fees and royalties    
Concentration Risk [Line Items]    
Concentration Risk Percentage 1.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_ProductConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= biol_LicenseFeesAndRoyaltiesMember 		0.30%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_ProductConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= biol_LicenseFeesAndRoyaltiesMember