CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Jun. 30, 2022	Dec. 31, 2021
CURRENT ASSETS
Cash and cash equivalents	$ 16,394,067	$ 34,885,274
Marketable securities	35,022,883	0
Receivables	547,580	391,750
Prepaid expenses and other current assets	659,269	1,159,937
TOTAL CURRENT ASSETS	52,623,799	36,436,961
PROPERTY AND EQUIPMENT, net	2,629,114	1,795,696
OTHER ASSETS
Lease right-of-use assets, net	2,544,489	2,821,944
Other assets	268,172	275,722
TOTAL ASSETS	58,065,574	41,330,323
CURRENT LIABILITIES
Accounts payable and accrued expenses	3,127,836	3,116,371
Accounts payable and accrued expenses, related party	94,135	599,388
Lease liabilities, current	579,672	417,632
Deferred revenue, current	15,745,576	0
TOTAL CURRENT LIABILITIES	19,547,219	4,133,391
LONG-TERM LIABILITIES
CIRM liability	3,376,259	3,376,259
Lease liabilities, net of current	2,158,677	2,452,707
Deferred revenue, net of current	14,254,424	0
TOTAL LONG-TERM LIABILITIES	19,789,360	5,828,966
TOTAL LIABILITIES	39,336,579	9,962,357
COMMITMENTS AND CONTINGENCIES (NOTE 7)
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, 24,334,952 and 24,185,001 shares issued and outstanding, respectively	24,335	24,185
Additional paid-in capital	141,669,614	139,404,060
Accumulated other comprehensive income	22,830	0
Accumulated deficit	(122,987,784)	(108,060,279)
TOTAL STOCKHOLDERS' EQUITY	18,728,995	31,367,966
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 58,065,574	$ 41,330,323