CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Revenues, net	$ 4,583	$ 5,161
Cost of revenues	3,240	3,328
Gross profit	1,343	1,833
Operating expenses
Sales and marketing	2,025	1,787
Research and development	2,942	2,917
General and administrative	2,336	2,469
Total operating expenses	7,303	7,173
Loss from operations	(5,960)	(5,340)
Other income, net	225	3,402
Loss before income taxes	(5,735)	(1,938)
Provision for income taxes	48	61
Net loss	(5,783)	(1,999)
Foreign currency translation adjustments	(5)	3
Comprehensive loss	$ (5,788)	$ (1,996)
Net loss per share available to common stockholders, basic (Note 11)	$ (0.34)	$ (0.13)
Net loss per share available to common stockholders, diluted (Note 11)	$ (0.34)	$ (0.13)
Weighted-average shares used to compute net loss per share available to common stockholders, basic	17,235	15,537
Weighted-average shares used to compute net loss per share available to common stockholders, diluted	17,235	15,537