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v3.23.3

Note 1 - Basis of Presentation (Details Textual) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |  | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 12, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Jan. 31, 2023 | Dec. 31, 2022 | Mar. 09, 2021
Revenue as Percentage of Sales Associated with New Wind Turbine Installations |  |  |  | 51.00% | 51.00% |  |  |
Debt and Lease Obligation |  | $ 31,564 |  | $ 31,564 |  |  |  |
Debt, Current |  | $ 21,374 |  | $ 21,374 |  |  |  |
Common Stock, Par or Stated Value Per Share (in dollars per share) |  | $ 0.001 |  | $ 0.001 |  |  | $ 0.001 |
Proceeds from Issuance of Common Stock, Net |  |  |  | $ 0 | $ 230 |  |  |
Accounts Receivable, Sale |  | $ 12,084 | $ 30,662 | 31,081 | 77,099 |  |  |
Accounts Receivable, Sale, Discount Fees |  | 334 | $ 615 | 649 | $ 1,110 |  |  |
Long-Term Contract with Customer [Member] |  |  |  |  |  |  |  |
Contract with Customer, Asset, before Allowance for Credit Loss |  |  |  |  |  | $ 175,000 |  |
The ATM Agreement [Member] |  |  |  |  |  |  |  |
Common Stock, Par or Stated Value Per Share (in dollars per share) |  |  |  |  |  |  |  | $ 0.001
The Sales Agreement [Member] |  |  |  |  |  |  |  |
Sales Agent Commission Percentage | 2.75% |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | 100,379 |  |  |  |  |  |  |
Proceeds from Issuance of Common Stock, Net | $ 323 |  |  |  |  |  |  |
Payments of Stock Issuance Costs | 9 |  |  |  |  |  |  |
Other Stock Issuance Expenses | 93 |  |  |  |  |  |  |
Sale of Stock, Common Stock Available for Issuance, Value |  | 11,667 |  | 11,667 |  |  |  |
The Sales Agreement [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Value of Shares Issuable, Maximum | $ 12,000 |  |  |  |  |  |  |
The 2022 Credit Facility [Member] |  |  |  |  |  |  |  |
Line of Credit, Current |  | 24,923 |  | 24,923 |  |  |  |
Revolving Credit Facility [Member] |  |  |  |  |  |  |  |
Line of Credit, Current |  | 6,405 |  | 6,405 |  |  |  |
Revolving Credit Facility [Member] | The 2022 Credit Facility [Member] |  |  |  |  |  |  |  |
Line of Credit, Current |  | $ 18,518 |  | $ 18,518 |  |  |  |

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