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CONSOLIDATED BALANCE SHEETS - USD ($)
Dec. 31, 2023
Dec. 31, 2022
CURRENT ASSETS    
Cash and cash equivalents $ 14,694,857 $ 9,603,242
Marketable securities 24,792,846 31,818,020
Receivables 10,371,993 547,580
Prepaid expenses and other current assets 995,776 919,892
TOTAL CURRENT ASSETS 50,855,472 42,888,734
PROPERTY AND EQUIPMENT, net 5,560,641 4,588,030
OTHER ASSETS    
Lease right-of-use assets, net 2,050,042 2,349,974
Other assets 268,172 268,172
TOTAL ASSETS 58,734,327 50,094,910
CURRENT LIABILITIES    
Accounts payable and accrued expenses 6,222,762 4,834,683
Accounts payable and accrued expenses, related party 27,479 89,234
Lease liabilities, current 749,112 682,039
Deferred revenue, current 24,270,465 17,980,599
TOTAL CURRENT LIABILITIES 31,269,818 23,586,555
LONG-TERM LIABILITIES    
CIRM liability 3,376,259 3,376,259
Lease liabilities, net of current 1,486,783 1,878,070
Deferred revenue, net of current 0 9,467,932
TOTAL LONG-TERM LIABILITIES 4,863,042 14,722,261
TOTAL LIABILITIES 36,132,860 38,308,816
COMMITMENTS AND CONTINGENCIES (NOTE 6)
STOCKHOLDERS' EQUITY    
Preferred stock, $0.001 par value, 5,000,000 shares authorized, none issued and outstanding
Common stock, $0.001 par value, 50,000,000 shares authorized, 31,148,320 and 25,241,402 shares issued and outstanding, respectively 31,148 25,241
Additional paid-in capital 181,701,859 148,735,420
Accumulated other comprehensive income 235,813 105,244
Accumulated deficit (159,367,353) (137,079,811)
TOTAL STOCKHOLDERS' EQUITY 22,601,467 11,786,094
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY $ 58,734,327 $ 50,094,910