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1. Organization and Significant Accounting Policies (Details Narrative) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Advertising costs $ 19,584us-gaap_AdvertisingExpense $ 4,725us-gaap_AdvertisingExpense
Revenue from customers located in foreign countries 16% 9%
One contract manufacturing customer percentage of revenue    
Concentration of risk 18.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByTypeAxis
= BLFS_OneCustomerMember		 49.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByTypeAxis
= BLFS_OneCustomerMember
One license revenue and core product revenue customer percentage of revenue    
Concentration of risk 11.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByTypeAxis
= BLFS_OneOtherCustomerMember		 14.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByTypeAxis
= BLFS_OneOtherCustomerMember
Two customers percentage of accounts receivable    
Concentration of risk 25.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByTypeAxis
= BLFS_TwoCustomersAccountsReceivableMember		  
Three customers percentage of accounts receivable    
Concentration of risk   64.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByTypeAxis
= BLFS_ThreeCustomersAccountsReceivableMember