Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net loss	$ (2,883,030)	$ (1,830,232)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	136,769	141,202
Amortization	7,430	12,251
Amortization of right-of-use assets	86,233	98,256
Inventory reserve	2,700	0
Share-based compensation expense	44,359	72,490
Changes in operating assets and liabilities:
Accounts receivable	(86,044)	30,043
Inventory	(17,438)	(12,679)
Other assets	18,553	63,081
Accounts payable	102,855	171,665
Accrued expenses and other	(38,559)	194,506
Lease liabilities	(97,851)	(105,986)
Other liabilities	(29,998)	4,721
Net cash used in operating activities	(2,754,021)	(1,160,682)
Cash flows from investing activities:
Purchases of property and equipment	(120,368)	0
Net cash used in investing activities	(120,368)	0
Cash flows from financing activities:
Payments of deferred offering costs	0	(126,377)
Proceeds from issuance of common stock	0	10,050
Repayment of note payable	(135,457)	(23,643)
Payments under lease obligations	(5,549)	(5,021)
Net cash used in financing activities	(141,006)	(144,991)
Net change in cash and cash equivalents	(3,015,395)	(1,305,673)
Cash and cash equivalents:
Beginning of period	24,783,029	3,322,226
End of period	21,767,634	2,016,553
Cash paid for:
Interest	2,734	1,845
Income taxes	800	0
Non-cash financing activities:
Deferred offering costs included in accounts payable and accrued expenses	0	526,476
Prepaid insurance financed with promissory notes	$ 45,666	$ 41,199