Leases - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) Lease	Dec. 31, 2018 USD ($)	Jan. 01, 2019 USD ($)
Operating Leased Assets [Line Items]
Operating lease right-of-use-assets	$ 2,835
Operating lease, liability	$ 2,938
Number of leases | Lease	2
Operating lease, discount rate	7.00%
Operating lease, weighted average remaining lease term	8 years
operating lease expense	$ 500
Operating lease , cash payment	500
Rent expense		$ 400
Operating lease right-of-use-assets amortization	$ 330
Office Building [Member]
Operating Leased Assets [Line Items]
Lease expiration period	2027
Manufacturing Facility [Member]
Operating Leased Assets [Line Items]
Lease expiration period	2021
ASU 2016-02 [Member]
Operating Leased Assets [Line Items]
Operating lease right-of-use-assets			$ 3,200
Operating lease, liability			$ 3,200