Income Taxes (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Increase (decrease) in valuation allowance		$ (9,200)	$ 400
Net operating loss carryforwards		$ 83,000
Capital loss carryforwards expiration period start		2018
Capital loss carryforwards expiration period end		2037
U.S. corporate tax rate		34.00%
Subsequent Event [Member]
U.S. corporate tax rate	21.00%
Change In Enacted Rate [Member]
Increase (decrease) in valuation allowance		$ (9,300)