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CONDENSED BALANCE SHEETS - USD ($)
Mar. 31, 2025
Dec. 31, 2024
Current Assets:    
Cash and cash equivalents $ 2,255,815 $ 3,170,743
Trade receivables, net of allowance of $0 and $0, respectively 0 0
Inventories, net 449,798 453,103
Prepaid and other current assets 154,453 89,472
Total current assets 2,860,066 3,713,318
Property, Plant and Equipment: 19,101,096 19,679,918
Accumulated depreciation (18,883,683) (19,446,262)
Property, Plant and Equipment, net 217,413 233,656
Other Assets:    
Operating lease right-of-use assets, net 1,749,793 1,880,372
Patents, net of accumulated amortization of $137,299 and $137,114 respectively 28,309 28,494
Equity method investment 64,685 62,187
Other non-current assets 1,252,726 1,228,399
Total other assets 3,095,513 3,199,452
Total Assets 6,172,992 7,146,426
Current Liabilities:    
Accounts payable 413,147 449,437
Related party payables 11,538 5,769
Accrued expenses 218,017 246,159
Accrued payroll 244,652 192,856
Accrued professional services fees 225,629 222,704
Accrued interest 577,798 565,773
Current portion of operating lease liability 601,673 578,153
Bridge loan   19,555
Total current liabilities 2,292,454 2,280,406
Long-Term Liabilities:    
Non-current operating lease liabilities 1,303,220 1,464,872
Accrued warranty liability   21,225
Total liabilities 3,595,674 3,766,503
Commitments and contingencies (Note 17)
Stockholders’ Equity (Deficit):    
Series A preferred stock, $.0001 par value; 750,000 shares authorized; 48,100 and 48,100 shares issued and outstanding, respectively ($959,996 and $947,971 Liquidation Preference, respectively) 5 5
Common stock, $0.0001 par value, 500,000,000 authorized; 1,705,977 and 1,454,896 shares issued and outstanding, respectively 171 145
Additional paid in capital 495,852,728 494,983,561
Accumulated deficit (493,283,006) (491,608,710)
Accumulated other comprehensive loss 7,420 4,922
Total stockholders’ equity (deficit) 2,577,318 3,379,923
Total Liabilities and Stockholders’ Equity (Deficit) $ 6,172,992 $ 7,146,426