Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	May 31, 2016	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Apr. 12, 2019	Mar. 27, 2019
Lessee, Lease, Description [Line Items]
Lease terms		5 years		5 years
Additions to right-of-use assets		$ 427		$ 427
Incremental borrowing rate on operating leases		6.00%		6.00%
Operating and variable lease costs		$ 80	$ 43	$ 159	$ 55
Contractual obligation		$ 1,300		$ 1,300
Asset purchase agreement, royalties as percent of aggregated net sales	4.40%
Common stock, shares issued (in shares)		14,968,340		14,968,340		10,744,806	120,070	156,920
Common stock issued		$ 1		$ 1		$ 1	$ 1,500
Minimum
Lessee, Lease, Description [Line Items]
Lease terms		12 months		12 months
Maximum
Lessee, Lease, Description [Line Items]
Lease terms		60 months		60 months