Note 13 - Earnings Per Share - Basic and Diluted Income Per Common Share (Details) - shares shares in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021		Sep. 30, 2022	Sep. 30, 2021
Basic (in shares)	7,319	7,370		7,313	7,304
Dilutive stock options (in shares)	30	0	[1]	69	132
Diluted - weighted average shares outstanding (in shares)	7,349	7,370	[1]	7,382	7,436
Anti-dilutive securities (in shares)	236	25		117	25

[1] Due to a loss for the period, zero dilutive stock options are included because the effect would be antidilutive.