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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
Jun. 30, 2024
Dec. 31, 2023
CURRENT ASSETS    
Cash and cash equivalents $ 10,688,363 $ 14,694,857
Marketable securities 18,773,667 24,792,846
Receivables 369,975 10,371,993
Prepaid expenses and other current assets 837,218 995,776
TOTAL CURRENT ASSETS 30,669,223 50,855,472
PROPERTY AND EQUIPMENT, net 5,617,523 5,560,641
OTHER ASSETS    
Lease right-of-use assets, net 1,671,149 2,050,042
Other assets 319,558 268,172
TOTAL ASSETS 38,277,453 58,734,327
CURRENT LIABILITIES    
Accounts payable and accrued expenses 6,169,934 6,250,241
Lease liabilities, current 792,694 749,112
Deferred revenue, current 15,392,151 24,270,465
TOTAL CURRENT LIABILITIES 22,354,779 31,269,818
LONG-TERM LIABILITIES    
CIRM liability 3,376,259 3,376,259
Lease liabilities, net of current 1,044,109 1,486,783
TOTAL LONG-TERM LIABILITIES 4,420,368 4,863,042
TOTAL LIABILITIES 26,775,147 36,132,860
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, 100,000,000 shares authorized, 31,983,927 and 31,148,320 shares issued and outstanding, respectively 31,984 31,148
Additional paid-in capital 191,476,543 181,701,859
Accumulated other comprehensive income 154,987 235,813
Accumulated deficit (180,161,208) (159,367,353)
TOTAL STOCKHOLDERS' EQUITY 11,502,306 22,601,467
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY $ 38,277,453 $ 58,734,327