CONDENSED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating expenses:
Research and development	$ 3,389	$ 3,673
Sales and marketing	2,104	2,044
General and administrative	3,432	3,628
Total operating expenses	8,925	9,345
Loss from operations	(8,925)	(9,345)
Interest expense, net	(431)	(317)
Loss before provision for income taxes	(9,356)	(9,662)
Provision for income taxes	1
Net loss	$ (9,357)	$ (9,662)
Net loss per share, basic	$ (0.39)	$ (0.41)
Net loss per share, diluted	$ (0.39)	$ (0.41)
Weighted-average shares used in computing net loss per share, basic	23,826,594	23,413,213
Weighted-average shares used in computing net loss per share, diluted	23,826,594	23,413,213