Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Product and product-related services revenue	$ 1,184,454	$ 1,435,146
Revenue, Product and Service [Extensible Enumeration]	us-gaap:ProductAndServiceOtherMember	us-gaap:ProductAndServiceOtherMember
Operating expenses:
Cost of product and product-related services revenue	$ 855,048	$ 785,200
Cost, Product and Service [Extensible Enumeration]	us-gaap:ProductAndServiceOtherMember	us-gaap:ProductAndServiceOtherMember
Selling, general and administrative	$ 4,663,011	$ 3,859,619
Research and development	1,920,430	1,372,040
Total operating expenses	7,438,489	6,016,859
Operating loss	(6,254,035)	(4,581,713)
Other income (expense):
Interest expense	(249,312)	(270,357)
Interest income	6,214	6,212
Total other income (expense)	(243,098)	(264,145)
Net loss before income taxes	(6,497,133)	(4,845,858)
Provision for income taxes	(386)	(2,449)
Net loss	$ (6,497,519)	$ (4,848,307)
Net loss per share, basic and diluted	$ (0.81)	$ (0.80)
Shares used in computing net loss per share, basic and diluted	8,011,774	6,040,752