CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Allowance for doubtful accounts receivable	$ 629	$ 430
Inventories, provision for obsolescence	360	263
Accumulated depreciation and amortization	$ 5,245	$ 5,316
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	75,000,000	75,000,000
Common stock, shares issued (in shares)	34,493,085	34,409,912
Common stock, shares outstanding (in shares)	34,493,085	34,409,912