Leases - Additional Information (Details)	1 Months Ended
	Aug. 31, 2020 Renewal	Sep. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)
Lessee Lease Description [Line Items]
Operating lease right of use asset		$ 1,129,000	$ 148,000
Operating lease liability		$ 1,172,000
Weighted-average incremental borrowing rate - operating leases		7.50%	7.50%
Carlsbad Lease [Member]
Lessee Lease Description [Line Items]
Operating lease term of contract	60 months
Operating lease option to extend	The Company has the option to renew the lease for two additional thirty-six-month periods
Number of lease term renewal option | Renewal	2
Operating lease renewal term	36 months
Operating lease right of use asset		$ 1,200,000
Operating lease liability		$ 1,200,000
Weighted-average incremental borrowing rate - operating leases		7.50%
Security deposit		$ 21,000
Long-term line of credit		$ 200,000