Commitments and Contingencies - Schedule of Other Information Related to Operating Lease (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Jan. 02, 2019
Commitments and Contingencies Disclosure [Abstract]
ROU asset, Beginning balance	$ 131	$ 235
Decrease		(11)
Amortization	(55)	(93)
ROU asset, Ending balance	76	131
Lease liability, Beginning balance	134	235
Decrease		(11)
Amortization	(55)	(90)
Lease liability, Ending balance	79	134
Lease liability: Short term			$ 31	$ 54
Lease liability: Long term			48	80
Total	$ 134	$ 235	$ 79	$ 134	$ 235