Statements of Comprehensive Loss - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statements of Comprehensive Loss [Abstract]
Sales	$ 293,984	$ 321,405
Cost of sales	105,120	122,675
Gross margin	188,864	198,730
Operating expenses:
Research and development	1,537,439	1,421,063
Sales and marketing	244,896	68,863
General and administrative	1,315,137	1,447,355
Depreciation and amortization	133,066	144,199
Total operating expenses	3,230,538	3,081,480
Loss from operations	(3,041,674)	(2,882,750)
Other income (expense):
Interest income	97,089	2,454
Interest expense	(1,672)	(2,734)
Other income (expense), net	95,417	(280)
Net loss	(2,946,257)	(2,883,030)
Net loss attributable to common stockholders, basic	(2,946,257)	(2,883,030)
Net loss attributable to common stockholders, diluted	$ (2,946,257)	$ (2,883,030)
Net loss per share attributable to common stockholders, basic (in dollars per share)	$ (0.25)	$ (0.24)
Net loss per share attributable to common stockholders, diluted (in dollars per share)	$ (0.25)	$ (0.24)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic (in shares)	11,872,255	11,804,165
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted (in shares)	11,872,255	11,804,165