Commitments and Contingencies (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]
Operating lease, weighted average discount rate	10.00%
Operating lease, weighted average remaining lease term (in years)	2 years 4 months 24 days
Operating lease liability	$ 2,060		$ 2,342
Lease cost	410	$ 421
Operating cash outflows from operating leases	$ 340	$ 341