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Consolidated Balance Sheets (Current Period Unaudited) - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 40,335,045 $ 18,515,595
Prepaid expenses, deposits and other current assets 380,097 260,825
Total current assets 40,715,142 18,776,420
Property and equipment, net 81,896 149,198
Intangible asset 0 8,639,000
Right of use asset 67,886 149,162
Other assets 15,579 15,771
Total assets 40,880,503 27,729,551
Current liabilities:    
Accounts payable 678,036 545,844
Accrued expenses and other current liabilities 2,002,981 1,776,470
Current operating lease liability 67,886 113,469
Total current liabilities 2,748,903 2,435,783
Deferred income taxes 0 443,893
Noncurrent operating lease liability 0 35,693
Total liabilities 2,748,903 2,915,369
Commitments and Contingencies (Note 7)
Stockholders’ Equity:    
Common stock, $0.001 par value: 1,000,000,000 shares authorized; 101,903,979 and 64,015,441 shares issued and outstanding at September 30, 2021 and December 31, 2020, respectively 101,904 64,016
Additional paid-in capital 164,560,366 130,659,550
Accumulated deficit (126,530,670) (105,909,384)
Total stockholders' equity 38,131,600 24,814,182
Total liabilities and stockholders' equity $ 40,880,503 $ 27,729,551