XML 58 R36.htm IDEA: XBRL DOCUMENT v3.21.1

Note 1 - Organization and Significant Accounting Policies - Summary of Remaining Performance Obligations (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Service Revenue [Member]
Service revenue, expected to be recognized in the future	$ 4,553

X

- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045

+ Details

Name:	us-gaap_RevenueRemainingPerformanceObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	srt_ProductOrServiceAxis=blfs_ServiceRevenueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: