Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED BALANCE SHEETS

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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
Mar. 31, 2023
Dec. 31, 2022
Current assets:    
Cash $ 11,994,827 $ 13,097,265
Prepaid expenses and other 876,539 556,094
Total current assets 12,871,366 13,653,359
Other assets 844,431 1,066,931
Total assets 13,715,797 14,720,290
Current liabilities:    
Accounts payable 259,180 287,360
Accrued expenses and other current liabilities 597,185 785,796
Total current liabilities 856,365 1,073,156
Total liabilities 856,365 1,073,156
Commitments and contingencies (Note 9)
Stockholders' equity:    
Common stock, $0.001 par value; 100,000,000 shares authorized as of March 31, 2023 and December 31, 2022; 15,193,587 shares issued as of March 31, 2023 and December 31, 2022; 15,166,596 shares outstanding as of March 31, 2023 and December 31, 2022 15,192 15,192
Additional paid in capital 207,825,084 207,756,232
Accumulated deficit (189,956,172) (189,099,618)
Accumulated other comprehensive income 253,734 253,734
Treasury stock (5,281,180) (5,281,180)
Total stockholders' equity 12,859,432 13,647,134
Total liabilities and stockholders' equity 13,715,797 14,720,290
Series B Preferred Stock [Member]    
Stockholders' equity:    
Preferred Stock, Value, Issued 1,804 1,804
Series A Preferred Stock [Member]    
Stockholders' equity:    
Preferred Stock, Value, Issued $ 970 $ 970