Income Taxes - Schedule of Reconciliation of Income Tax Provision Computed using U.S. Statutory Federal Income Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Tax at U.S. statutory rate on income before income taxes	$ (4,153)	$ (3,078)
Change in valuation allowance	1,573	2,218
State taxes	(210)	543
Accrued preferred dividend		321
(Income)/Loss taxable in period under the separate return method	2,719
Other	$ 71	$ (4)