Leases (Narrative) (Details) $ in Millions |
12 Months Ended | |||
---|---|---|---|---|
Dec. 31, 2021
USD ($)
Location
|
Dec. 31, 2020
USD ($)
|
Apr. 01, 2021 |
Jan. 01, 2019 |
|
Lessee Lease Description [Line Items] | ||||
Number of locations | Location | 3 | |||
Lessee operating lease, incremental borrowing rate | 4.95% | 5.25% | ||
Lease expense | $ | $ 0.5 | $ 0.6 | ||
Burlingame, CA [Member] | ||||
Lessee Lease Description [Line Items] | ||||
Lease termination date | Apr. 30, 2021 | |||
Hayward, CA [Member] | ||||
Lessee Lease Description [Line Items] | ||||
Warehouse lease, effective date | Apr. 01, 2021 |