Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Product and product-related services revenue	$ 1,250,879	$ 2,520,410	$ 3,926,915	$ 6,029,760
Operating expenses:
Cost of product and product-related services revenue	670,863	983,761	2,540,380	2,740,004
Selling, general and administrative	3,400,998	4,232,313	12,370,925	11,995,747
Research and development	1,527,036	1,534,818	5,294,567	4,188,219
Total operating expenses	5,598,897	6,750,892	20,205,872	18,923,970
Operating loss	(4,348,018)	(4,230,482)	(16,278,957)	(12,894,210)
Other income (expense):
Interest expense	(200,483)	(266,593)	(688,310)	(797,239)
Interest income	25,595	8,387	63,899	22,419
Other income	8,330		8,330
Gain on forgiveness of PPP Loan				1,735,792
Total other income (expense)	(166,558)	(258,206)	(616,081)	960,972
Net loss before income taxes	(4,514,576)	(4,488,688)	(16,895,038)	(11,933,238)
Provision for income taxes	(1,572)	(1,934)	(6,838)	(20,643)
Net loss	$ (4,516,148)	$ (4,490,622)	$ (16,901,876)	$ (11,953,881)
Net loss per share, basic	$ (0.41)	$ (0.60)	$ (1.68)	$ (1.78)
Net loss per share, diluted	$ (0.41)	$ (0.60)	$ (1.68)	$ (1.78)
Shares used in computing net loss per share, basic	11,048,171	7,440,287	10,031,923	6,727,916
Shares used in computing net loss per share, diluted	11,048,171	7,440,287	10,031,923	6,727,916