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Note 14 - Stockholders' Deficit - Stockholders' Equity Transactions (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Balances |  | $ (108,259) |  | $ (95,300) |
Exercise of stock options |  | 31 |  | 31 |
Stock-based compensation(1) | [1] | 1,453 |  | 3,027 |
Net loss |  | (15,637) | $ (18,604) | (30,770) | $ (45,088)
Other comprehensive loss |  | 726 | $ (304) | 1,326 | $ (1,599)
Balances |  | $ (121,686) |  | $ (121,686) |
Common Stock [Member] |  |  |  |  |
Balances (in shares) |  | 11,034,947 |  | 11,014,655 |
Balances |  | $ 37,032 |  | $ 36,581 |
Exercise of stock options (in shares) |  | 0 |  | 0 |
Exercise of stock options |  | $ 0 |  | $ 0 |
Stock-based compensation(1) (in shares) | [1] | 30,694 |  | 50,986 |
Stock-based compensation(1) | [1] | $ 397 |  | $ 848 |
Other comprehensive loss |  | $ 0 |  | $ 0 |
Balances (in shares) |  | 11,065,641 |  | 11,065,641 |
Balances |  | $ 37,429 |  | $ 37,429 |
Additional Paid-in Capital [Member] |  |  |  |  |
Balances |  | 20,364 |  | 19,241 |
Exercise of stock options |  | 31 |  | 31 |
Stock-based compensation(1) | [1] | 1,056 |  | 2,179 |
Other comprehensive loss |  | 0 |  | 0 |
Balances |  | 21,451 |  | 21,451 |
Retained Earnings [Member] |  |  |  |  |
Balances |  | (165,291) |  | (150,158) |
Exercise of stock options |  | 0 |  | 0 |
Net loss |  | (15,637) |  | (30,770) |
Other comprehensive loss |  | 0 |  | 0 |
Balances |  | (180,928) |  | (180,928) |
AOCI Attributable to Parent [Member] |  |  |  |  |
Balances |  | (364) |  | (964) |
Exercise of stock options |  | 0 |  | 0 |
Other comprehensive loss |  | 726 |  | 1,326 |
Balances |  | $ 362 |  | $ 362 |
[1] | The Company capitalizes stock-based compensation costs directly attributable to the development of qualifying assets. Qualifying assets include internal use software (IUS), assets under construction (AUC), equipment, or other long-lived assets that meet the capitalization criteria prescribed by ASC 350. During the three and six months ended June 30, 2025, the Company capitalized $0.1 million and $0.1 million of stock-based compensation directly attributable to the development of certain IUS assets. During the three and six months ended June 30, 2024, the Company capitalized $0.1 million and $0.2 million of stock-based compensation directly attributable to the development of certain IUS assets.

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