CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Revenues, net	$ 4,045	$ 4,360	$ 8,076	$ 8,943
Cost of revenues	1,690	3,174	3,433	6,414
Gross profit	2,355	1,186	4,643	2,529
Operating expenses
Sales and marketing	1,043	1,935	2,293	3,960
Research and development	1,799	2,797	3,680	5,739
General and administrative	1,600	2,442	3,284	4,778
Total operating expenses	4,442	7,174	9,257	14,477
Loss from operations	(2,087)	(5,988)	(4,614)	(11,948)
Other income, net	138	215	242	440
Loss before income taxes	(1,949)	(5,773)	(4,372)	(11,508)
Provision for income taxes	69	144	57	192
Net loss	(2,018)	(5,917)	(4,429)	(11,700)
Foreign currency translation adjustments	(1)	(19)	5	(24)
Comprehensive loss	$ (2,019)	$ (5,936)	$ (4,424)	$ (11,724)
Net loss per share basic (Note 7)	$ (0.65)	$ (2.04)	$ (1.44)	$ (4.05)
Net loss per share diluted (Note 7)	$ (0.65)	$ (2.04)	$ (1.44)	$ (4.05)
Weighted-average shares basic	3,108	2,902	3,066	2,887
Weighted-average shares diluted	3,108	2,902	3,066	2,887