CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 9,646,940	$ 3,738,900
Grants receivable from CPRIT	591,129	0
Prepaid expenses and other current assets	646,360	955,899
Total current assets	10,884,429	4,694,799
Property and equipment, net	21,889	25,016
Goodwill	8,865,909	8,865,909
Other assets	293,147	308,674
Total assets	20,065,374	13,894,398
Current liabilities:
Accounts payable	979,823	1,790,966
Accrued expenses and other current liabilities	795,567	160,783
Note payable	252,679	502,332
Deferred revenue	0	541,701
Warrant liability	34,692	317,762
Total liabilities	2,062,761	3,313,544
Commitments and Contingencies
Stockholders' equity (deficit):
Preferred stock, $0.0001 par value; 10,000,000 shares authorized; 468,694 issued and outstanding	47	0
Common stock, $0.0001 par value; 100,000,000 shares authorized; 13,650,838 and 4,519,533 shares issued at March 31, 2020 and December 31, 2019, and 13,645,677 and 4,511,174 shares outstanding at March 31, 2020 and December 31, 2019, respectively	1,364	451
Additional paid-in capital	32,161,718	22,657,103
Accumulated deficit	(14,160,516)	(12,076,700)
Total stockholders' equity	18,002,613	10,580,854
Total liabilities and stockholders' equity	$ 20,065,374	$ 13,894,398