XML 11 R2.htm IDEA: XBRL DOCUMENT v3.23.1
CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
Mar. 31, 2023
Dec. 31, 2022
Current assets:    
Cash and cash equivalents $ 9,273,682 $ 12,106,435
Grants receivable from CPRIT 130,000 1,610,490
Prepaid expenses and other current assets 536,625 803,373
Total current assets 9,940,307 14,520,298
Other assets 114,852 130,501
Total assets 10,055,159 14,650,799
Current liabilities:    
Accounts payable 3,510,905 2,858,330
Accrued expenses and other current liabilities 985,393 1,407,861
Total liabilities 4,496,298 4,266,191
Commitments and contingencies (Note 5)
Stockholders' equity:    
Preferred stock, $0.0001 par value; 10,000,000 shares authorized; 0 issued and outstanding 0 0
Common stock, $0.0001 par value; 100,000,000 shares authorized; 2,468,297 and 2,255,899 shares issued and outstanding at March 31, 2023 and December 31, 2022, respectively 246 225
Additional paid-in capital 74,704,536 74,189,531
Accumulated deficit (69,145,921) (63,805,148)
Total stockholders' equity 5,558,861 10,384,608
Total liabilities and stockholders' equity $ 10,055,159 $ 14,650,799