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Note 3 - Acquisitions - Consideration (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 9 Months Ended
--- | --- | --- | ---
Sep. 01, 2021 | May 03, 2021 | Sep. 30, 2021 | Sep. 30, 2020
BioLife stock price (in dollars per share) | $ 60.50 | $ 35.07 |  |
Value of issued shares |  |  | $ 264,718 | $ 0
BioLife shares outstanding (as of March 19, 2021) (in shares) |  | 33,401,359 |  |
Value of issued shares |  |  | $ 264,718 | $ 0
Sexton Acquisition [Member] |  |  |  |
Merger consideration shares (in shares) | 530,502 |  |  |
Value of issued shares | $ 32,095 |  |  |
plus: Fair value of BioLife’s existing investment in Sexton | 7,951 |  |  |
less: Net working capital adjustment | (118) |  |  |
Merger Consideration | $ 39,928 |  |  |
Stock consideration (in shares) | 530,502 |  |  |
Value of issued shares | $ 32,095 |  |  |
GCI Acquisition [Member] |  |  |  |
Merger consideration shares (in shares) |  | 6,636,470 |  |
Value of issued shares |  | $ 232,741 |  |
Merger Consideration |  | $ 234,909 |  |
Merger consideration percentage |  | 19.90% |  |
Merger consideration shares (in shares) |  | 6,646,870 |  |
less: Merger consideration shares withheld to satisfy outstanding GCI stockholder obligations to GCI (in shares) |  | 10,400 |  |
Stock consideration (in shares) |  | 6,636,470 |  |
Value of issued shares |  | $ 232,741 |  |
plus: Settlement of BioLife prepaid deposits |  | 2,152 |  |
plus: Net settlement of BioLife accounts receivable |  | $ 16 |  |

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