The aggregate amount of long term debt due during the period.

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Represents the number of days for redemption notice under a debt instrument.

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The cash paid in advance to against future quarterly interest payments.

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The percentage of excess cash flow each year to the Noteholders to be applied as a principal reduction to the outstanding balance of the debt.

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Number of shares issued during the period for debt restructuring.

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Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Exercise price per share or per unit of warrants or rights outstanding.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Face (par) amount of debt instrument at time of issuance.

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The average effective interest rate during the reporting period.

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Percentage of principal amount of debt redeemed.

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Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Note 5 - Borrowings (Details Textual) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended	9 Months Ended		12 Months Ended	51 Months Ended	57 Months Ended	60 Months Ended
	Jul. 01, 2019	Jul. 01, 2019	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020	Mar. 30, 2033	Dec. 31, 2023	Dec. 31, 2028
Amortization of Debt Discount (Premium)			$ 2,536	$ 2,453
Warrants Issued in Debt Restructuring [Member]
Warrants and Rights Outstanding, Term (Year)			10 years
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)			22,250,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)			$ 0.01
Common Stock [Member]
Stock Issued During Period, Shares, Issued for Debt Restructuring (in shares)			9,000,000
Senior Notes [Member] \| Post-modification Notes [Member]
Debt Instrument, Face Amount			$ 85,900
Senior Notes [Member] \| The 2017 Notes [Member]
Percentage of of Excess Cash Flow Each Year to Noteholders					50.00%
Debt Instrument, Redemption Notice, Number Of Days (Day)			30 days
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed			101.00%
Interest Paid, Including Capitalized Interest, Operating and Investing Activities, Total		$ 2,600
Debt Instrument, Aggregate Amount Due	$ 400
Payments Against Future Quarterly Interest Payments	$ 2,200
Amortization of Debt Discount (Premium)			$ 900
Interest Payable			$ 500
Senior Notes [Member] \| The 2017 Notes [Member] \| Forecast [Member]
Debt Instrument, Interest Rate During Period						10.00%	1.00%	2.00%