Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Tax (Provision) Benefit at Federal Rate Related to Continuing Operations	$ (1,764)	$ 64	$ (532)
State Tax Provision, Net of Federal Benefit	(462)	(212)	(214)
Non-deductible Permanent Items, Net	7	10	1
Change in Valuation Allowance	1,256	787	1,133
Other	(126)	(766)	(626)
Income Tax Provision	$ (1,089)	$ (117)	$ (238)