Condensed Statements of Operations and Comprehensive Income (Loss) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating expenses include stock-based compensation as follows:
Total stock-based compensation	$ 1,311	$ 704	$ 2,135	$ 1,447
Research and Development [Member]
Operating expenses include stock-based compensation as follows:
Total stock-based compensation	462	265	795	446
General and Administrative [Member]
Operating expenses include stock-based compensation as follows:
Total stock-based compensation	647	305	1,018	790
Sales and Marketing [Member]
Operating expenses include stock-based compensation as follows:
Total stock-based compensation	$ 202	$ 134	$ 322	$ 211