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v3.20.2

Note 9 - Debt (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2020 | Jun. 30, 2021 | Jun. 30, 2021 | Nov. 03, 2020 | Sep. 30, 2020 | Dec. 31, 2019
Restricted Cash, Current |  |  |  |  | $ 26,401 | $ 5,755
Percent of Net Proceeds From Asset Dispositions, Restricted Cash |  |  |  |  | 65.00% |
The 8.00% Senior Secured Notes due August 2022 [Member] |  |  |  |  |  |
Debt Instrument, Mandatory Tender Offer |  |  |  |  | $ 28,700 |
Debt Instrument, Repurchased Face Amount |  |  |  |  | 27,700 |
Debt Instrument, Repurchase Premium (Discount) Amount |  |  |  |  | $ (1,500) |
The 8.00% Senior Secured Notes due August 2022 [Member] | Subsequent Event [Member] |  |  |  |  |  |
Debt Instrument, Consent Solicitation and Concurrent Tender Offer |  |  |  | $ 50,000 |  |
Troms Offshore Borrowings [Member] | Forecast [Member] |  |  |  |  |  |
Repayments of Long-term Debt, Total | $ 12,400 | $ 8,000 |  |  |  |
Debt Instrument, Covenant, Cumulative Prepayment of Debt, Maximum |  |  | $ 35,000 |  |  |
Troms Offshore Borrowings [Member] | Troms Offshore [Member] |  |  |  |  |  |
Debt, Weighted Average Interest Rate |  |  |  |  | 5.00% |
Fair Value, Inputs, Level 2 [Member] | The 8.00% Senior Secured Notes due August 2022 [Member] |  |  |  |  |  |
Debt Instrument, Fair Value Disclosure, Total |  |  |  |  | $ 193,900 | 237,600
Fair Value, Inputs, Level 2 [Member] | Troms Offshore Borrowings [Member] | Troms Offshore [Member] |  |  |  |  |  |
Debt Instrument, Fair Value Disclosure, Total |  |  |  |  | $ 62,600 | $ 72,900

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