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Note 15 - Subsequent Events (Details Textual) - USD ($) $ / shares in Units, $ in Thousands			12 Months Ended
	Feb. 02, 2023	Jan. 30, 2023	Dec. 31, 2022	Dec. 31, 2021	Jul. 02, 2021
Proceeds from Issuance of Common Stock			$ 21,636	$ 32,459
New Loan [Member]
Debt Instrument, Interest Rate, Stated Percentage					7.00%
Subsequent Event [Member]
Stock Issued During Period, Shares, New Issues (in shares)		10,500,000
Shares Issued, Price Per Share (in dollars per share)		$ 3.84
Proceeds from Issuance of Common Stock, Gross		$ 40,320
Proceeds from Issuance of Common Stock		38,500
Subsequent Event [Member] | New Loan [Member]
Repayments of Debt	$ 15,000	$ 15,000
Subsequent Event [Member] | First Amended Credit Agreement [Member]
Long-Term Debt, Gross	$ 15,000
Debt Instrument, Convertible, Conversion Price (in dollars per share)	$ 4.80
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger	115.00%
Debt Instrument, Interest Rate, Stated Percentage	7.00%
Interest Expense, Long-Term Debt, Total	$ 20,000

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The cash inflow before any costs from the issuance of common stock.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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The price per share of the conversion feature embedded in the debt instrument.

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

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