Balance Sheet Components - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Reserve for excess and obsolete inventory	$ 700,000	$ 1,100,000
Depreciation expense	1,426,000	2,079,000
Impairment of finite lived intangible assets	0	0
Amortization intangible assets	586,000	531,000
Cost of Sales
Depreciation expense	100,000	500,000
Amortization intangible assets	200,000	200,000
Selling, General and Administrative Expenses
Depreciation expense	800,000	1,200,000
Amortization intangible assets	400,000	300,000
Research and Development Expense
Depreciation expense	$ 500,000	$ 400,000