Note 14 - Income Taxes - Income Tax (Benefit) Expense (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income tax benefit at United States statutory income tax rate		$ (563)	$ (295)	$ (1,202)	$ (704)
Valuation allowance		2,161	155	3,039	35
Non-deductible compensation		187	25	523	7
Non-taxable income		0	0	(524)	0
Investment income		(115)	1	(158)	(120)
State income tax		117	31	287	98
Change in unrecognized tax benefits(1)	[1]	2	56	(2,813)	193
Indemnification receivable		0	(12)	591	(41)
Indefinite life intangibles		54	54	161	161
Other		23	16	35	32
Income tax benefit		$ (2,456)	$ (279)	$ (6,139)	$ (409)

[1] Includes interest and penalty expense related to unrecognized tax benefits.