Note 15 - Stockholders' Equity (Details Textual) - USD ($)			1 Months Ended				3 Months Ended		11 Months Ended	12 Months Ended
	Mar. 25, 2022	Feb. 25, 2022	Feb. 28, 2023	Jan. 31, 2023	Feb. 28, 2022	Jan. 31, 2022	Mar. 31, 2023	Mar. 31, 2022	Dec. 12, 2023	Dec. 31, 2022	Nov. 30, 2023
Stock Issued During Period, Shares, Warrants and Stock Options Exercised							11,984	76,754
Stock Issued During Period, Shares, Warrant Exercises							(150)	(965,588)
Exercised (in shares)							(11,834)	(12,000)		(12,000)
Stock Issued During Period, Shares, Warrant Exercises (in shares)							150	965,588
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)							11,834	12,000		12,000
Common Stock, Dividends, Per Share, Declared							$ 0.025	$ 0.025
Dividends		$ 2,400,000
Dividends Payable			$ 53,000								$ 53,000
Common Stock, Shares, Outstanding, Ending Balance (in shares)							113,177,011			113,165,027
Class of Warrant or Right, Outstanding (in shares)							8,285,122			8,285,272
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)							$ 11.50
Quarterly Dividend [Member]
Common Stock, Dividends, Per Share, Declared				$ 0.025		$ 0.025
Dividends			283,000						$ 2,800,000
Dividend Equivalent [Member]
Dividends					$ 214,000
Dividends Payable			$ 5,000		$ 2,000
Flat Top Operating Area [Member]
Stock Issued During Period, Shares, Acquisitions	6,960,000