Note 5 - (Loss) Income Per Common Share (Details Textual)	9 Months Ended
	Sep. 30, 2022 shares
Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements (in shares)	2,496,622
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants (in shares)	1,578,293
Incremental Common Shares Attributable to Dilutive Effect of Deferred Shares (in shares)	2,152,578