Note 17 - Accumulated Other Comprehensive Income - Schedule 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
Balance		$ 8,091	$ 23,829	$ 12,159	$ 13,954
Other comprehensive (loss) income	[1]	(1,067)	(2,895)	(6,697)	7,975
Balance		6,740	19,700	6,740	19,700
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member]
Balance		125	290	216	59
Other comprehensive income (loss) arising during the period		(105)	(47)	(210)	118
Amounts reclassified from accumulated other comprehensive income		11	(2)	25	64
Other comprehensive (loss) income		(94)	(49)	(185)	182
Balance		31	241	31	241
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance		(3,286)	(3,286)	(3,286)	(3,286)
Other comprehensive income (loss) arising during the period		0	0	0	0
Amounts reclassified from accumulated other comprehensive income		0	0	0	0
Other comprehensive (loss) income		0	0	0	0
Balance		(3,286)	(3,286)	(3,286)	(3,286)
Accumulated Gain (Loss), Financial Liability, Fair Value Option, Attributable to Parent [Member]
Balance		35,595	49,198	41,129	38,574
Other comprehensive income (loss) arising during the period		(971)	(2,843)	(6,505)	7,781
Amounts reclassified from accumulated other comprehensive income		0	0	0	0
Other comprehensive (loss) income		(971)	(2,843)	(6,505)	7,781
Balance		34,624	46,355	34,624	46,355
AOCI Attributable to Parent [Member]
Balance		32,434	46,202	38,059	35,347
Other comprehensive income (loss) arising during the period		(1,076)	(2,890)	(6,715)	7,899
Amounts reclassified from accumulated other comprehensive income		11	(2)	25	64
Other comprehensive (loss) income		(1,065)	(2,892)	(6,690)	7,963
Balance		$ 31,369	$ 43,310	$ 31,369	$ 43,310

[1] Net of income tax benefit of $0 and $0 for the three and nine months ended September 30, 2021 and September 30, 2020, respectively.