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Note 12 - Net Income (Loss) Per Common Share (Details Textual) - shares		3 Months Ended		9 Months Ended
	Jan. 05, 2024	Mar. 31, 2024	Sep. 30, 2023	Sep. 30, 2023
Weighted Average Number of Shares, Treasury Stock (in shares)			2,605,322	2,605,322
Treasury Stock, Shares, Retired (in shares)	2,605,322	2,605,322
Performance Shares [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)			439,583	439,583
Market Condition Awards [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)			527,500	527,500
Warrants [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)			700,000	700,000
Convertible Debt Shares [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)				1,718,952