Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating activities:
Net loss	$ (2,558,815)	$ (2,747,809)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	27,020	18,272
Stock-based compensation expense	191,380	91,204
Change in deferred income taxes	(362,380)	(150,352)
Changes in operating assets and liabilities:
Prepaid expenses, deposits and other assets	(346,030)	(119,644)
Accounts payable, accrued expenses and other liabilities	(455,489)	250,871
Net cash used in operating activities	(3,504,314)	(2,657,458)
Cash flows provided by financing activities:
Proceeds received from the exercise of common stock warrants	393,425
Payment of financing costs that were previously classified in accounts payable	(238,232)
Net cash provided by financing activities	155,193
Net decrease in cash and cash equivalents	(3,349,121)	(2,657,458)
Cash and cash equivalents at beginning of period	14,177,349	7,991,172
Cash and cash equivalents at end of period	10,828,228	5,333,714
Supplemental disclosure of non-cash investing and financing activities:
Offering costs in accounts payable and accrued expenses	258,627	28,549
Operating lease right of use asset and current and noncurrent liability		$ 334,205