The amount of acquisition-related transaction costs that excluded from pro forma net income (loss).

No definition available.

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- Definition

The net amount of tangible assets recognized as of the acquisition date.

+ References

No definition available.

+ Details

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- Definition

Number of shares acquired at the acquisition date in the business combination.

+ References

No definition available.

+ Details

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Namespace Prefix:	blfs_
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- Definition

The purchase accounting adjustment to inventory that excluded from pro forma net income (loss)

+ References

No definition available.

+ Details

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

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-Paragraph 2
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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

+ Details

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Period Type:	duration

- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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-Paragraph 23
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- Definition

Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 8
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- Definition

Fair value at acquisition-date of the assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interests issued by the acquirer, including but not limited to, instruments or interests issued or issuable in consideration for the business combination.

+ References

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- Definition

This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Paragraph 2
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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

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-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
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- Definition

Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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- Definition

Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Percentage of equity in the acquiree held by the acquirer immediately before the acquisition date in a business combination.

+ References

No definition available.

+ Details

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- Definition

In a business combination achieved in stages, this element represents the amount of net gain (loss) recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

+ References

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

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Period Type:	instant

- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

Amount of expense for salary and wage arising from service rendered by nonofficer employee. Excludes allocated cost, labor-related nonsalary expense, and direct and overhead labor cost included in cost of good and service sold.

+ References

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- Definition

Amount of noncash expense for share-based payment arrangement.

+ References

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Balance Type:	debit
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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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- Details

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Note 3 - Business Combinations (Details Textual) - USD ($)		3 Months Ended		9 Months Ended
	Aug. 08, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable				$ 19,932,000
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain (Loss), Net, Total		$ 10,108,000		10,108,000
Goodwill, Ending Balance		28,351,000		28,351,000
Business Combination, Acquisition Related Costs		291,000		538,000
Amortization of Intangible Assets, Total				465,000
Share-based Payment Arrangement, Noncash Expense, Total				1,907,000	1,131,000
SAVSU [Member]
Equity Method Investments	$ 5,800,000
SAVSU [Member]
Business Combinations, Number of Shares Acquired	8,616
Business Acquisition, Percentage of Voting Interests Acquired	55.60%
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	1,100,000
Share Price	$ 18.12
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	$ 19,932,000
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net, Total	35,849,000
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value	$ 15,900,000
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage	44.00%
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain (Loss), Net, Total	$ 10,100,000			10,100,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Tangible Assets, Net	4,600,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	12,400,000
Goodwill, Ending Balance	18,826,000	18,800,000		18,800,000
Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination, Total	$ 35,800,000
Business Combination, Acquisition Related Costs		116,000		116,000
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual		211,000		211,000
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual		$ (676,000)		(676,000)
Finite-lived Intangible Assets Acquired				17,000,000
Acquisition-related Transaction Costs, Excluded from Pro Forma Net Income (Loss)				538,000
Purchase Accouning Adjustment to Inventory Exlcuded from Pro Forma Net Income (Loss)				155,000
SAVSU [Member] \| Amortization Expense for Acquired Identifiable Intangible Assets [Member]
Amortization of Intangible Assets, Total				1,000,000	1,500,000
SAVSU [Member] \| Adjustment to Share-based Compensation [Member]
Share-based Payment Arrangement, Noncash Expense, Total				147,000	396,000
SAVSU [Member] \| Adjustments for Salary Increase With Acquisitions [Member]
Salary and Wage, NonOfficer, Excluding Cost of Good and Service Sold				$ 116,000	$ 210,000