Commitments and Contingencies - Additional Information (Details) - USD ($)	1 Months Ended	3 Months Ended		9 Months Ended
	May 31, 2016	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 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		$ 0		$ 427,000
Incremental borrowing rate on operating leases		6.00%		6.00%
Operating and variable lease costs		$ 108,000	$ 23,000	$ 267,000	$ 78,000
Contractual obligation		$ 800,000		$ 800,000
Asset purchase agreement, royalties as percent of aggregated net sales	4.40%
Common stock, shares issued (in shares)		20,718,340		20,718,340		10,744,806	120,070	156,920
Common stock issued		$ 2,000		$ 2,000		$ 1,000	$ 1,500,000
Minimum
Lessee, Lease, Description [Line Items]
Lease terms		12 months		12 months
Maximum
Lessee, Lease, Description [Line Items]
Lease terms		60 months		60 months