Quarterly report pursuant to Section 13 or 15(d)

Summary of Net Revenue by Geographic Location (Detail)

v2.4.1.9
Summary of Net Revenue by Geographic Location (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Segment Reporting Information [Line Items]    
Net revenue $ 10,855us-gaap_SalesRevenueNet $ 11,518us-gaap_SalesRevenueNet
UNITED STATES    
Segment Reporting Information [Line Items]    
Net revenue 5,930us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= country_US 		6,709us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= country_US
International    
Segment Reporting Information [Line Items]    
Net revenue $ 4,925us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= biol_InternationalMember 		$ 4,809us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= biol_InternationalMember