Certain Balance Sheet Accounts - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Intangible assets, net	$ 2,098,000		$ 1,696,000
Accumulated amortization	368,000		329,000
Capitalized software development costs	1,541,000		1,101,000
Capitalized computer software, amortization	0
Impairment of intangible assets, finite-lived	0	$ 0
Accrued sales return current	$ 20,668,000		21,179,000
Preferred stock authorized (in shares)	100,000,000
Preferred stock, par or stated value per share (in dollars per share)	$ 0.0001
Preferred stock outstanding (in shares)	0
Customers For Which Returns Are Expected To Be Received
Property, Plant and Equipment [Line Items]
Accrued sales returns resulting from FDA Warning Letter	$ 18,210,000		$ 20,145,000
Tooling and manufacturing equipment
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	190,000	150,000
Property and Equipment
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	$ 309,000	$ 214,000