Condensed Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating activities
Net loss	$ (2,233,380)	$ (2,173,665)	$ (2,290,643)	$ (2,605,495)	$ (4,407,045)	$ (4,896,138)
Adjustments to reconcile net loss to net cash used in operating activities:
Forgiveness of paycheck protection loan and accrued interest						(105,130)
Stock-based compensation expense	366,924		399,411		747,985	960,759
Change in operating assets and liabilities:
Accounts receivable, net					(70,450)	(175,100)
Prepaid expenses, inventory and other assets					545,455	703,867
Accounts payable and other current liabilities					(61,975)	(805,318)
Accrued compensation					9,348	(394,756)
Accrued interest expense					247,945	248,208
Net cash used in operating activities					(2,988,737)	(4,463,608)
Financing activities
Proceeds from issuance of common stock					7,443,969	14,375,000
Payment of common stock offering costs	(145,445)	(3,548)		(1,304,846)	(148,993)	(1,304,846)
Proceeds from issuance of common stock from exercise of stock options						45,454
Net cash provided by financing activities					7,294,976	13,115,608
Net increase in cash and cash equivalents					4,306,239	8,652,000
Cash and cash equivalents at beginning of period		$ 9,144,710		$ 8,068,939	9,144,710	8,068,939
Cash and cash equivalents at end of period	$ 13,450,949		$ 16,720,939		$ 13,450,949	16,720,939
Non-cash financing activities
Forgiveness of paycheck protection loan and accrued interest						$ 105,130