Consolidated Balance Sheets (Unaudited) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 3,025,513	$ 474,851
Accounts receivable	1,301,822	853,675
Inventories	943,645	924,775
Prepaids and other current assets	619,649	1,004,423
Total current assets	5,890,629	3,257,724
Long-term assets
Restricted cash	831,382	830,752
Property, plant and equipment, net	2,039,703	4,299,937
Capitalized lease disposal costs, net	237,436	246,748
Financing lease right-of-use asset	15,626	18,631
Operating lease right-of-use asset	2,371,382	2,429,622
Goodwill	1,384,255	1,384,255
Patents and other intangibles, net	3,781,651	3,859,473
Total long-term assets	10,661,435	13,069,418
Total assets	16,552,064	16,327,142
Current liabilities
Accounts payable	560,535	1,424,028
Accrued liabilities	899,748	1,189,165
Unearned revenue	1,050,084	907,953
Current portion of operating lease right-of-use liability	127,217	121,069
Current portion of financing lease liability	8,411	8,542
Current portion of related party notes payable, net of debt discount	871,868	993,735
Current installments of notes payable	48,973	290,017
Current portion of mandatorily redeemable preferred stock, net of debt discount	4,063,000
Total current liabilities	7,629,836	4,934,509
Long-term liabilities
Accrued long-term liabilities	140,625
Related party notes payable, net of current portion and debt discount	620,000	620,000
Notes payable, net of current portion	39,556	57,769
Asset retirement obligation	916,887	892,086
Financing lease liability, net of current portion	4,305	8,346
Operating lease right-of-use liability, net of current portion	2,299,136	2,363,815
Mandatorily redeemable convertible preferred stock, net of current portion and discount		4,719,822
Total long-term liabilities	4,020,509	8,661,838
Total liabilities	11,650,345	13,596,347
Stockholders' equity
Common stock, $0.01 par value; 750,000,000 shares authorized; 514,726,908 and 502,584,176 shares issued and outstanding respectively	5,147,269	5,025,842
Additional paid in capital	125,535,534	124,469,034
Accumulated deficit	(125,781,084)	(126,764,081)
Total equity	4,901,719	2,730,795
Total liabilities and stockholders' equity	$ 16,552,064	$ 16,327,142