Note 17 - Accumulated Other Comprehensive Income - Schedule of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Balance		$ 11,862	$ 26,223	$ 12,159	$ 13,954
Other comprehensive (loss) income	[1]	(3,846)	(869)	(5,630)	10,870
Balance		8,091	23,829	8,091	23,829
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member]
Balance		157	167	216	59
Other comprehensive income (loss) arising during the period		(34)	118	(105)	165
Amounts reclassified from accumulated other comprehensive income		2	5	14	66
Other comprehensive (loss) income		(32)	123	(91)	231
Balance		125	290	125	290
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		39,408	50,197	41,129	38,574
Other comprehensive income (loss) arising during the period		(3,813)	(999)	(5,534)	10,624
Amounts reclassified from accumulated other comprehensive income		0	0	0	0
Other comprehensive (loss) income		(3,813)	(999)	(5,534)	10,624
Balance		35,595	49,198	35,595	49,198
AOCI Attributable to Parent [Member]
Balance		36,279	47,078	38,059	35,347
Other comprehensive income (loss) arising during the period		(3,847)	(881)	(5,639)	10,789
Amounts reclassified from accumulated other comprehensive income		2	5	14	66
Other comprehensive (loss) income		(3,845)	(876)	(5,625)	10,855
Balance		$ 32,434	$ 46,202	$ 32,434	$ 46,202

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