Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Expected federal statutory tax benefit	$ 14	$ (4,130)
Increase (reduction) in taxes resulting from:
State income taxes recoverable	21	17
Non-deductible expenses (permanent differences)	45	1,162
Change in valuation allowance	(264)	3,080
Other	205	(114)
Income tax expense	$ 21	$ 15