Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating activities:
Net loss	$ (24,095,727)	$ (14,185,306)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	93,416	103,168
Loss on disposal of property and equipment	51,782	0
Stock-based compensation expense	897,260	736,119
Abandonment of in-process research and development intangible asset	8,639,000	0
Change in deferred income taxes	(443,893)	(1,675,381)
Changes in operating assets and liabilities:
Prepaid expenses, deposits and other assets	(248,997)	518,169
Accounts payable, accrued expenses and other liabilities	605,370	950,602
Net cash used in operating activities	(14,501,789)	(13,552,629)
Cash flows provided by investing activities:
Cash received from sale of property and equipment	4,000	0
Net cash provided by investing activities	4,000	0
Cash flows provided by financing activities:
Proceeds from the sale of common stock, net of issuance costs	31,094,302	10,827,100
Proceeds from the sale of common stock warrants	2,201,450	8,046,103
Payment of offering costs	0	(982,328)
Net cash provided by financing activities	33,295,752	17,890,875
Net increase in cash and cash equivalents	18,797,963	4,338,246
Cash and cash equivalents at beginning of year	18,515,595	14,177,349
Cash and cash equivalents at end of year	37,313,558	$ 18,515,595
Supplemental disclosure of non-cash investing and financing activities:
Vesting of restricted stock units	$ 10