Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Net loss	$ (5,839,765)	$ (5,517,131)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	264,040	272,391
Amortization	2,325	14,492
Amortization of right-of-use assets	148,541	169,680
Inventory reserve	1,770	2,900
Loss on disposal of assets	44,538	0
Share-based compensation expense	122,170	106,526
Changes in operating assets and liabilities:
Accounts receivable	(78,276)	(29,702)
Inventory	(146,521)	(38,811)
Other assets	154,065	255,271
Accounts payable	36,119	(74,957)
Accrued expenses	80,116	(76,959)
Lease liabilities	(181,065)	(194,235)
Other liabilities	3,119	(23,361)
Net cash used in operating activities	(5,388,824)	(5,133,896)
Cash flows from investing activities:
Purchases of property and equipment	(71,849)	(295,058)
Net cash used in investing activities	(71,849)	(295,058)
Cash flows from financing activities:
Proceeds from the issuance of common stock, accompanying warrants and pre-funded warrants in April 2023 Financing	3,899,813	0
Equity issuance costs	(547,764)	0
Proceeds from exercise of pre-funded warrants	188	0
Proceeds from common stock issued through ESPP and exercised options	1,697	16,151
Net proceeds from issuance of common stock in connection with at-the-market sales agreement	3,373	0
Payments of deferred offering costs	0	(13,905)
Repayment of note payable	(141,298)	(228,662)
Payments under lease obligations	(12,255)	(11,240)
Net cash provided by (used in) financing activities	3,203,754	(237,656)
Net change in cash and cash equivalents	(2,256,919)	(5,666,610)
Cash and cash equivalents:
Beginning of period	12,961,936	24,783,029
End of period	10,705,017	19,116,419
Cash paid for:
Interest	1,870	3,617
Income taxes	0	800
Non-cash investing and financing activities:
Deferred offering costs included in accounts payable and accrued expenses	0	82,760
Commissions and deferred offering costs relating to proceeds from issuance of common stock	6,163	0
Prepaid insurance financed with promissory notes	$ 0	$ 417,841