Commitments and Contingencies - Operating Lease Obligations (Details) $ in Millions	Mar. 01, 2020 USD ($) ft² term	Jan. 01, 2020 USD ($) a ft² term
Office And Warehouse, Katy, TX
Loss Contingencies [Line Items]
Area of leased space | ft²		25,200
Area of land | a		4.5
Operating leases, rent expense (per month)		$ 0.3
Operating leases, rent expense, annual increase, percent		3.00%
Operating leases, rent expense, term of contract		$ 3.6
Lease initial term		120 months
Operating lease, number of renewal terms | term		2
Operating lease, renewal term		5 years
Operating lease, renewal to extend lease, written notice period		6 months
Tracy, California | Office And Warehouse Space, Tracy Lease
Loss Contingencies [Line Items]
Area of leased space | ft²	54,429
Operating leases, rent expense (per month)	$ 0.4
Operating leases, rent expense, annual increase, percent	3.00%
Operating leases, rent expense, term of contract	$ 5.0
Lease initial term	122 months
Operating lease, number of renewal terms | term	1
Operating lease, renewal term	5 years
Operating lease, renewal to extend lease, written notice period	9 months