Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Statutory Federal tax rate	$ (14,712)	$ (18,315)
Valuation allowance	7,270	6,390
State income taxes, net of Federal benefit	(1,740)	(2,818)
Goodwill impairment	8,049
Change in state income tax rate	396	755
Change in warrant derivative liability	(25)	(71)
Stock compensation adjustment and other reconciling items	349	(190)
Tax Cuts and Jobs Act		11,772
Nondeductible interest	247	1,473
Restructuring expenses	117	952
Other
Nondeductible meals and entertainment expense	49	52
Total Provision for Income Taxes