CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
Jun. 30, 2022
Dec. 31, 2021
Current Assets:  
Cash and cash equivalents$ 429,272$ 5,961,760
Trade receivables, net of allowance of $26,000 and $26,000, respectively836,07449,250
Inventories, net678,106592,172
Prepaid and other current assets807,510247,736
Total current assets2,750,9626,850,918
Property, Plant and Equipment:22,705,92122,425,935
Accumulated depreciation(22,171,192)(22,146,273)
Property, Plant and Equipment, net534,729279,662
Other Assets:  
Operating lease right-of-use assets, net4,665,6194,984,688
Patents, net of accumulated amortization of $144,634 and $135,050 respectively84,20386,595
Equity method investment91,40921,205
Other non-current assets625,000625,000
Total Assets8,751,92212,848,068
Current Liabilities:  
Accounts payable827,761642,165
Related party payables52,12745,000
Accrued expenses1,511,052991,534
Accrued interest506,054475,671
Notes payable250,000250,000
Current portion of operating lease liability689,129646,742
Total current liabilities3,836,1233,051,112
Long-Term Liabilities:  
Non-current operating lease liabilities4,188,4194,532,490
Non-current convertible notes, net963,1488,076,847
Accrued warranty liability21,22521,225
Total liabilities9,008,91515,681,674
Stockholders’ Equity (Deficit):  
Series A preferred stock, $.0001 par value; 750,000 shares authorized; 48,100 and 48,100 shares issued and outstanding, respectively ($825,717 and $801,533 Liquidation Preference, respectively)55
Common stock, $0.0001 par value, 500,000,000 authorized; 30,587,415 and 4,786,804 shares issued and outstanding, respectively3,059479
Additional paid in capital434,146,118424,948,698
Accumulated deficit(434,392,822)(427,782,788)
Accumulated other comprehensive loss(13,353) 
Total stockholders’ equity (deficit)(256,993)(2,833,606)
Total Liabilities and Stockholders’ Equity (Deficit)$ 8,751,922$ 12,848,068