CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Current Assets:
Cash and cash equivalents	$ 3,028,362	$ 5,961,760
Trade receivables, net of allowance of $26,000 and $26,000, respectively	561,254	49,250
Inventories, net	637,620	592,172
Prepaid and other current assets	659,538	247,736
Total current assets	4,886,774	6,850,918
Property, Plant and Equipment:	22,483,386	22,425,935
Accumulated depreciation	(22,158,146)	(22,146,273)
Property, Plant and Equipment, net	325,240	279,662
Other Assets:
Operating lease right-of-use assets, net	4,816,017	4,984,688
Patents, net of accumulated amortization of $139,842 and $135,050 respectively	82,111	86,595
Equity method investment	97,665	21,205
Other non-current assets	625,000	625,000
Total Assets	10,832,807	12,848,068
Current Liabilities:
Accounts payable	600,600	642,165
Related party payables	45,000	45,000
Accrued expenses	1,395,350	991,534
Accrued interest	490,778	475,671
Notes payable	250,000	250,000
Current portion of operating lease liability	665,585	646,742
Total current liabilities	3,447,313	3,051,112
Long-Term Liabilities:
Non-current operating lease liabilities	4,356,168	4,532,490
Non-current convertible notes, net	946,053	8,076,847
Accrued warranty liability	21,225	21,225
Total liabilities	8,770,759	15,681,674
Stockholders’ Equity (Deficit):
Series A preferred stock, $.0001 par value; 750,000 shares authorized; 48,100 and 48,100 shares issued and outstanding, respectively ($813,558 and $801,533 Liquidation Preference, respectively)	5	5
Common stock, $0.0001 par value, 500,000,000 authorized; 30,586,804 and 4,786,804 shares issued and outstanding, respectively	3,059	479
Additional paid in capital	434,146,118	424,948,698
Accumulated deficit	(432,080,037)	(427,782,788)
Accumulated other comprehensive loss	(7,097)
Total stockholders’ equity (deficit)	2,062,048	(2,833,606)
Total Liabilities and Stockholders’ Equity (Deficit)	$ 10,832,807	$ 12,848,068