Balance Sheets - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Current Assets:
Cash and cash equivalents	$ 5,663,833	$ 5,319,004
Prepaid expenses	581,706	329,218
Total current assets	6,245,539	5,648,222
Operating lease right-of-use asset	138,538
Other assets	11,551	11,551
Total assets	6,395,628	5,659,773
Current Liabilities:
Accounts payable and accrued expenses	1,033,383	476,202
Accrued compensation	843,162	1,158,251
Operating lease liability	138,538
Total current liabilities	2,015,083	1,634,453
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.0001 par value; authorized shares — 5,000,000 at December 31, 2019 and 2018; issued and outstanding shares — 0 at December 31, 2019 and 2018
Common stock, $0.0001 par value; authorized shares — 50,000,000 at December 31, 2019 and 2018; issued and outstanding shares — 24,431,914 and 17,427,533 at December 31, 2019 and 2018, respectively	2,443	1,743
Additional paid-in capital	90,108,492	82,628,312
Accumulated deficit	(85,730,390)	(78,604,735)
Total stockholders' equity	4,380,545	4,025,320
Total liabilities and stockholders' equity	$ 6,395,628	$ 5,659,773