Note 17 - Accumulated Other Comprehensive Income - Components of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net realized gains (losses)	$ 159	$ (59)	$ 397	$ 157
Other-than-temporary impairment loss	0	0	0	117
Loss from continuing operations before income tax benefit	(2,682)	(1,403)	(5,722)	(3,353)
Income tax benefit	(2,456)	(279)	(6,139)	(409)
(Loss) income from continuing operations	(226)	(1,124)	417	(2,944)
Net (loss) income	(226)	(1,124)	417	(2,938)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Net realized gains (losses)	(11)	2	(25)	(64)
Other-than-temporary impairment loss	0	0	0	0
Loss from continuing operations before income tax benefit	(11)	2	(25)	(64)
Income tax benefit	0	0	0	0
(Loss) income from continuing operations	(11)	2	(25)	(64)
Gain on disposal of discontinued operations, net of taxes	0	0	0	0
Net (loss) income	$ (11)	$ 2	$ (25)	$ (64)