CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Net revenue	$ 112,915,000	$ 103,769,000	$ 86,920,000
Cost of revenue	71,971,000	66,702,000	53,239,000
Gross profit	40,944,000	37,067,000	33,681,000
Operating expenses:
Research and development	9,916,000	8,673,000	9,781,000
Selling and marketing	20,730,000	17,033,000	17,270,000
General and administrative	10,429,000	11,891,000	8,623,000
Decrease in fair value of earnout liability			(261,000)
Restructuring and severance	202,000	817,000	1,716,000
Total operating expenses	41,277,000	38,414,000	37,129,000
Loss from operations	(333,000)	(1,347,000)	(3,448,000)
Non-operating income (expense):
Interest expense, net	(143,000)	(483,000)	(1,462,000)
Gain on forgiveness of Paycheck Protection Program note		2,946,000
Gain on investment	30,000	611,000
Foreign currency gains (losses), net	155,000	(79,000)	(122,000)
Income (loss) before income tax provision	(291,000)	1,648,000	(5,032,000)
Income tax provision	(101,000)	(28,000)	(73,000)
Net income (loss)	(392,000)	1,620,000	(5,105,000)
Other comprehensive income (loss):
Foreign currency translation adjustment	(848,000)	(629,000)	553,000
Comprehensive income (loss)	$ (1,240,000)	$ 991,000	$ (4,552,000)
Net income (loss) per common share:
Basic	$ (0.07)	$ 0.02	$ (0.34)
Diluted	$ (0.07)	$ 0.02	$ (0.34)
Weighted average shares used in computing net income (loss) per common share:
Basic	22,659	21,340	17,978
Diluted	22,659	22,267	17,978