Condensed Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Revenue	$ 161	$ 528	$ 537	$ 956
Cost of sales	100	403	363	760
Gross profit	61	125	174	196
Operating expenses:
Research and development	468	497	958	898
Sales and marketing	452	1,125	910	1,809
General and administrative	1,266	1,521	2,547	2,747
Total operating expenses	2,186	3,143	4,415	5,454
Loss from operations	(2,125)	(3,018)	(4,241)	(5,258)
Net loss	$ (2,125)	$ (3,018)	$ (4,241)	$ (5,258)
Net loss per share - basic	$ (0.07)	$ (0.32)	$ (0.17)	$ (0.55)
Net loss per share - diluted	$ (0.07)	$ (0.32)	$ (0.17)	$ (0.55)
Weighted-average number of shares - basic	29,677,734	9,621,484	24,926,353	9,668,100
Weighted-average number of shares - diluted	29,677,734	9,621,484	24,926,353	9,668,100