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v3.25.2

Note 11 - Shareholders' Deficit (Details Textual) $ / shares in Units, $ in Thousands |  |  |  |  |  | 1 Months Ended | 2 Months Ended | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 28, 2025 USD ($) $ / shares shares | Jun. 30, 2025 USD ($) $ / shares shares | May 14, 2025 USD ($) $ / shares shares | May 12, 2025 USD ($) | May 14, 2024 USD ($) | Aug. 14, 2025 USD ($) $ / shares shares | Aug. 11, 2025 shares | Jun. 30, 2025 USD ($) $ / shares shares | Jun. 30, 2025 USD ($) $ / shares shares | Mar. 31, 2024 USD ($) | Jun. 30, 2025 USD ($) $ / shares shares | Jun. 30, 2024 USD ($) $ / shares shares | Mar. 01, 2025 USD ($) | Dec. 31, 2024 USD ($) | Nov. 09, 2023 USD ($) | Mar. 01, 2021 USD ($)
Proceeds from Issuance of Common Stock |  |  |  |  |  |  |  |  |  |  | $ 6,287 | $ 0 |  |  |  |
Stock Repurchased and Retired During Period, Value |  |  |  |  |  |  |  |  |  | $ 11,851 |  |  |  |  |  |
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Current |  | $ 7,627 |  |  |  |  |  | $ 7,627 | $ 7,627 |  | $ 7,627 |  |  | $ 0 |  |
Convertible Senior Notes 2026 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Convertible, Threshold Trading Days |  |  | 20 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Convertible, Conversion Price | $ / shares |  | $ 18.4875 |  |  |  |  |  | $ 18.4875 | $ 18.4875 |  | $ 18.4875 |  |  |  |  |
Conversion of the 2026 Notes Into Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Original Debt, Amount |  |  | $ 10,000 | $ 10,000 | $ 10,000 |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Converted Instrument, Shares Issued | shares |  | 539,320 | 10,000,000 |  |  |  |  | 539,320 | 539,320 |  |  |  |  |  |  |
Debt Instrument, Convertible, Threshold Trading Days |  |  | 20 |  |  |  |  |  |  |  |  |  |  |  |  |
Indefinite Term Share Repurchase Program [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Repurchase Program, Authorized, Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 50,000 |
Stock Repurchased and Retired During Period, Shares | shares |  |  |  |  |  |  |  |  |  |  |  | 3,200,000 |  |  |  |
Stock Repurchased and Retired, Average Price Per Share | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 3.71 |  |  |  |
Stock Repurchased and Retired During Period, Value |  |  |  |  |  |  |  |  |  |  |  | $ 11,900 |  |  |  |
Subsequent Event [Member] | Conversion of the 2026 Notes Into Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Converted Instrument, Shares Issued | shares |  |  |  |  |  | 1,996,555 | 1,996,555 |  |  |  |  |  |  |  |  |
Minimum [Member] | Convertible Senior Notes 2026 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Convertible, Conversion Price | $ / shares |  |  | $ 2.5 |  |  |  |  |  |  |  |  |  |  |  |  |
At the Market Equity Offering Program [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Offering Facility, Maximum Aggregate Offering Amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 150,000 |  |  | $ 150,000
Stock Issued During Period, Shares, New Issues | shares |  |  |  |  |  |  |  |  |  |  | 1,400,000 |  |  |  |  |
Proceeds from Issuance of Common Stock |  |  |  |  |  | $ 2,100 |  |  |  |  | $ 6,400 |  |  |  |  |
At the Market Equity Offering Program [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues | shares |  |  |  |  |  | 700,000 |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Common Stock |  |  |  |  |  | $ 2,100 |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share | $ / shares |  |  |  |  |  | $ 3.14 |  |  |  |  |  |  |  |  |  |
At the Market Equity Offering Program [Member] | Weighted Average [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share | $ / shares |  | $ 4.55 |  |  |  |  |  | $ 4.55 | $ 4.55 |  | $ 4.55 |  |  |  |  |
Securities Purchase Agreement With Polar Asset Management [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues | shares | 5,365,853 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Common Stock | $ 20,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share | $ / shares | $ 4.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Premium Over Stock Price, Percentage | 14.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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