BALANCE SHEETS - USD ($)	Sep. 30, 2022	Sep. 30, 2021
Current assets:
Cash and cash equivalents	$ 22,672,138	$ 36,060,148
U.S. Treasury Bills	0	6,151,385
Receivables	0	54,922
Prepaid expenses	762,063	998,482
Supplies used for R&D and manufacturing	2,001,715	2,006,584
Total current assets	25,435,916	45,271,521
Finance lease right of use assets	10,937,797	12,691,921
Operating lease right of use assets	1,884,464	2,056,178
Property and equipment, net	11,889,029	13,663,562
Patent costs, net	212,201	275,866
Deposits	0	1,910,917
Supplies used for R&D and manufacturing	164,299	0
Total assets	50,523,706	75,869,965
Current liabilities:
Accounts payable	1,618,290	1,675,813
Accrued expenses	842,492	859,216
Due to employees	471,488	265,993
Derivative instruments, current portion	0	437,380
Lease liabilities, current portion	1,731,481	698,665
Total current liabilities	4,663,751	3,937,067
Finance lease liabilities, net of current portion	11,721,368	13,252,364
Operating lease liabilities, net of current portion	1,850,380	2,021,308
Other liabilities	125,000	125,000
Total liabilities	18,360,499	19,335,739
STOCKHOLDERS' EQUITY
Common stock, $.01 par value - 600,000,000 shares authorized; 43,448,317 and 43,207,183 shares issued and outstanding at September 30, 2022 and 2021, respectively	434,484	432,072
Additional paid-in capital	486,625,816	474,298,566
Accumulated deficit	(454,897,093)	(418,196,412)
Total stockholders' equity	32,163,207	56,534,226
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 50,523,706	$ 75,869,965