Note 8 - Basic and Diluted Income (Loss) Per Share (Details Textual) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Weighted Average Number of Shares Outstanding, Diluted, Adjustment, Total (in shares)	2,183,245	0	0	0
Underwater Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	1,162,088
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	1,796,053	1,648,609	2,252,439	1,714,827
Share-Based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)		349,262	25,596	276,451