8. Income Taxes (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Capital loss carryforward	$ 23,652
Capital loss carryforward beginning expiration	Dec. 31, 2025
Foreign tax credit	$ 51,508
Foreign tax credit beginning expiration date	Dec. 31, 2020
Deferred tax asset from loss on investment		$ 538
Unrecognized tax benefit	$ 731	$ 816
Federal [Member]
Net operating loss carryforward	$ 253,824
NOL beginning expiration dates	Dec. 31, 2026
Statel [Member]
Net operating loss carryforward	$ 19,683
NOL beginning expiration dates	Dec. 31, 2028