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Note 1 - Organization and Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Revenues By Product Line [Table Text Block] |
|  | Year Ended December 31, |
(In thousands, except percentages) |  | 2022 |  |  | 2021⁽¹⁾ |  |  | 2020⁽²⁾ |
Product revenue |  |  |  |  |  |  |  |  |  |  |  |
Freezer and thaw |  | $ | 66,682 |  |  | $ | 56,620 |  |  | $ | 13,548 |
Cell processing |  |  | 68,509 |  |  |  | 44,965 |  |  |  | 30,946 |
Storage and cold chain services |  |  | 809 |  |  |  | 328 |  |  |  | 46 |
Service revenue |  |  |  |  |  |  |  |  |  |  |  |
Freezer and thaw |  |  | 74 |  |  |  | - |  |  |  | - |
Storage and cold chain services |  |  | 15,234 |  |  |  | 9,817 |  |  |  | 1,752 |
Rental revenue |  |  |  |  |  |  |  |  |  |  |  |
Storage and cold chain services |  |  | 10,451 |  |  |  | 7,426 |  |  |  | 1,795 |
Total revenue |  | $ | 161,759 |  |  | $ | 119,156 |  |  | $ | 48,087 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] |
(In thousands) |  | 2023 |  |  | 2024 |  |  | Total |
Rental revenue |  | $ | 3,735 |  |  | $ | 900 |  |  | $ | 4,635 |
Service revenue |  | $ | 200 |  |  | $ | 10 |  |  | $ | 210 |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Year Ended December 31, |
(In thousands, except share and earnings per share data) |  | 2022 |  |  | 2021 |  |  | 2020 |
Basic earnings (loss) per common share |  |  |  |  |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net (loss) income |  | $ | (139,805 | ) |  | $ | (8,908 | ) |  | $ | 1,983 |
Amount attributable to unvested restricted shares |  |  | - |  |  |  | - |  |  |  | (100 | )
Amount attributable to warrants outstanding |  |  | - |  |  |  | - |  |  |  | (61 | )
Net (loss) income allocated to common shareholders |  |  | (139,805 | ) |  |  | (8,908 | ) |  |  | 1,822 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average common shares issued and outstanding |  |  | 42,481,027 |  |  |  | 38,503,944 |  |  |  | 27,306,258 |
Basic (loss) earnings per common share |  | $ | (3.29 | ) |  | $ | (0.23 | ) |  | $ | 0.07 |
Diluted earnings (loss) per common share |  |  |  |  |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net (loss) income |  | $ | (139,805 | ) |  | $ | (8,908 | ) |  | $ | 1,983 |
Amount attributable to warrants |  |  | - |  |  |  | - |  |  |  | (14 | )
Less: gain related to change in fair value of warrants |  |  | - |  |  |  | - |  |  |  | (3,601 | )
Net loss allocated to common shareholders |  |  | (139,805 | ) |  |  | (8,908 | ) |  |  | (1,632 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average common shares issued and outstanding |  |  | 42,481,027 |  |  |  | 38,503,944 |  |  |  | 27,306,258 |
Diluted loss per common share |  | $ | (3.29 | ) |  | $ | (0.23 | ) |  | $ | (0.06 | )
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] |
|  | Year Ended December 31, |
|  | 2021 |  |  | 2020 |
Stock options and restricted stock awards |  |  | 1,637,745 |  |  |  | 2,131,794 |
Warrants |  |  | 18,204 |  |  |  | 1,499,953 |
Total |  |  | 1,655,949 |  |  |  | 3,631,747 |
Schedule of Cash and Cash Equivalents [Table Text Block] |
(In thousands) |  | 2022 |  |  | 2021 |
Cash and cash equivalents |  | $ | 19,442 |  |  | $ | 69,860 |
Restricted cash |  |  | 31 |  |  |  | 10 |
Total cash, cash equivalents, and restricted cash |  | $ | 19,473 |  |  | $ | 69,870 |
Revenue from External Customers by Products and Services [Table Text Block] |
|  | Year Ended December 31, |
Revenue by major product |  | 2022 |  |  | 2021 |  |  | 2020 |
CryoStor |  |  | 36 | % |  |  | 33 | % |  |  | 60 | %
780XLE Freezer |  |  | 22 | % |  |  | 22 | % |  |  | - | %
|  | Year Ended December 31, |
Revenue by customers’ geographic locations |  | 2022 |  |  | 2021 |  |  | 2020 |
United States |  |  | 72 | % |  |  | 78 | % |  |  | 73 | %
Canada |  |  | 17 | % |  |  | 7 | % |  |  | 13 | %
Europe, Middle East, Africa (EMEA) |  |  | 7 | % |  |  | 14 | % |  |  | 12 | %
Other |  |  | 4 | % |  |  | 1 | % |  |  | 2 | %
Total revenue |  |  | 100 | % |  |  | 100 | % |  |  | 100 | %
(In thousands) |  | 2022 |  |  | 2021 |
United States |  | $ | 42,829 |  |  | $ | 40,708 |
Netherlands |  |  | 5,437 |  |  |  | 5,903 |
Total |  | $ | 48,266 |  |  | $ | 46,611 |

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