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v3.23.2

Note 1 - Nature of the Business and Operations and Liquidity (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Mar. 31, 2023 | Feb. 28, 2021
Retained Earnings (Accumulated Deficit) | $ (1,060,945) |  | $ (1,060,945) | $ (1,055,547) |
Cash, Cash Equivalents, and Marketable Securities | 22,000 |  | 22,000 |  |
Net Cash Provided by (Used in) Operating Activities | $ (2,245) | $ (5,863) |  |  |
Restructuring and Related Cost, Number of Positions Eliminated, Period Percent | 5.00% |  |  |  |
Restructuring and Related Cost, Expected Cost | $ 1,000 |  | 1,000 |  |
Payments for Restructuring |  |  | 700 |  |
Restructuring and Related Cost, Expected Annual Savings | $ 5,000 |  | $ 5,000 |  |
Inox Wind Limited [Member] |  |  |  |  |
Supply Commitment, Default, Letters of Credit to be Received |  |  |  |  | $ 250,000

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