Note 14 - Equity Compensation - Activity Under the Omnibus Equity Plan (Details) - Omnibus Equity Plan [Member]	6 Months Ended
	Jun. 30, 2021 $ / shares shares
Nonvested, shares (in shares) | shares	51,456
Nonvested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 16.29
Granted, shares (in shares) | shares	49,125
Granted, weighted average grant date fair value (in dollars per share) | $ / shares	$ 23.00
Vested, shares (in shares) | shares	(19,742)
Vested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 17.04
Forfeited, shares (in shares) | shares	0
Forfeited, weighted average grant date fair value (in dollars per share) | $ / shares	$ 0
Nonvested, shares (in shares) | shares	80,839
Nonvested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 20.18