The number of warrants or rights issued during period.

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Represents percentage of principal and interest on the debt may be exchanged into Depositary Receipts.

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Represents percentage of the cash proceeds received required for prepay amount of the debt.

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Represents the repayment fee as a percentage of the accreted value of the debt instrument.

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Represents deposits into segregated account representing an amount sufficient to pre-fund eight quarterly dividend payments.

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Represents percentage of closing price per share of common stock.

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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 each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

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No definition available.

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

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after accumulated amortization, of debt discount.

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The percentage rate used to calculate dividend payments on preferred stock.

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The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

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Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

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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 2 - Long-term Debt (Details Textual) - USD ($) $ / shares in Units, $ in Millions				3 Months Ended		6 Months Ended	12 Months Ended
	Jul. 02, 2021	Jul. 01, 2021	Jun. 29, 2021	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Preferred Stock, Dividend Rate, Percentage				8.875%	8.875%
Deposits, Segregated Account, Pre-fund Eight Quarterly Dividend Payments	$ 10.2
Warrants Issued to Lenders [Member]
Class of Warrant or Right, Issued During Period (in shares)	2
Warrants and Rights Outstanding							$ 1.9
A Warrant [Member]
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)	500,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 17.38
Percentage of Closing Price Per Share of Common Stock	120.00%
B Warrant [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 21.72
Percentage of Closing Price Per Share of Common Stock	150.00%
Warrants and Rights Outstanding, Term (Day)	180 days
Series A Preferred Stock [Member]
Preferred Stock, Dividend Rate, Percentage	8.875%	8.875%	8.875%			8.875%	8.875%
Depository Shares [Member]
Preferred Stock, Liquidation Preference Per Share (in dollars per share)	$ 25.00	$ 25.00
New Loan [Member]
Debt Instrument, Face Amount	$ 50.0
Debt Instrument, Interest Rate, Stated Percentage	7.00%
Debt Instrument, Unamortized Discount, Total	$ 2.9
New Loan [Member] \| Repayment After Six-months of the Closing Date [Member]
Debt Instrument, Repayment Fee Percentage	2.00%
New Loan [Member] \| Repayment After Eighteen-months of the Closing Date [Member]
Debt Instrument, Repayment Fee Percentage	4.00%
New Loan [Member] \| Repayment After Thirty-months of the Closing Date [Member]
Debt Instrument, Repayment Fee Percentage	6.00%
New Loan [Member] \| Issuance After One Year of the Closing Date [Member]
Debt Instrument, Prepay Amount, Percentage of the Cash Proceeds Received	75.00%
New Loan [Member] \| Between 12-months and 18-months Anniversary of the Closing of the Debt [Member]
Debt Instrument, Percentage of Principal Exchanged into Depositary Receipts	50.00%
New Loan [Member] \| Between 18-months and 24-months Anniversary of the Closing of the Debt [Member]
Debt Instrument, Percentage of Principal Exchanged into Depositary Receipts	75.00%
New Loan [Member] \| After 24-months Anniversary of the Closing of the Debt [Member]
Debt Instrument, Percentage of Principal Exchanged into Depositary Receipts	100.00%