Note 22 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands		Dec. 31, 2020	Dec. 31, 2019
Deferred tax assets:
Net operating losses (1)	[1]	$ 17,885	$ 20,917
Tax credit carryforwards (2)	[2]	2,340	2,340
Capital loss carryforwards		0	2,270
Related party deferred losses		619	619
Charitable contribution carryforwards		23	23
Valuation allowance		(36,957)	(42,703)
Total deferred tax assets		13,015	13,084
Deferred tax liabilities		(12,765)	(12,844)
Net deferred tax assets		250	240
Domestic Tax Authority [Member]
Deferred tax assets:
Tax/GAAP basis differences		$ 29,105	$ 29,618

[1] Expiration dates ranging from 2021 to 2032.

[2] Expiration dates ranging from 2027 to 2035.