Income Taxes - Schedule of Reconciliation of Actual Income Tax Expense Obtained by Applying Statutory Federal Income Tax Rate (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Reconciliation of actual income tax expense obtained by applying the statutory federal income tax rate
Tax at federal statutory rate	$ (22,424,000)	$ (17,353,000)	$ (21,776,000)
State, net of federal benefit	(2,109,000)	(5,999,000)	(2,637,000)
Permanent items	857,000	338,000	1,327,000
Benefit state rate change	337,000	60,000	(56,000)
Other	368,000	(103,000)	(156,000)
Change in federal statutory rate			34,555,000
Goodwill impairment	1,602,000
Change in valuation allowance	21,403,000	23,053,000	(11,274,000)
Income tax (benefit) expense	$ 34,000	$ (4,000)	$ (17,000)