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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)    
Net income from continuing operations $ 86,101 $ 293,381
Depreciation and amortization 106,147 69,332
Accretion of asset retirement obligation 18,271 375
Loss on disposal of property, plant, and equipment 17,494 0
Write down of inventory to net realizable value 80,143 0
Share-based compensation 205,925 0
Other non-cash items (15,695) 2,041
Accounts receivable, net (432,486) (919,819)
Inventories, net 286,001 (76,504)
Prepaid expenses and other current assets (24,798) (141,852)
Accounts payable 73,294 158,942
Accrued liabilities 8,481 (55,425)
Accrued liabilities - directors 42,249 19,746
Royalties payable (100,902) (419,191)
Net cash provided (used) by operating activities of continuing operations 350,225 (1,068,974)
Proceeds from redemption of certificates of deposit 50,682 0
Purchases of properties, plant, and equipment (52,713) (501,202)
Net cash used by investing activities of continuing operations (2,031) (501,202)
CASH FLOWS FROM FINANCING ACTIVITIES OF CONTINUING OPERATIONS:    
Payments on dividends payable 0 (787,730)
Principal payments on long-term debt (21,273) (23,022)
Net cash used by financing activities of continuing operations (21,273) (810,752)
Net cash flows provided (used) by continuing operations 326,921 (2,380,928)
Net cash used by operating activities (285,198) (1,204,818)
Net cash used by investing activities 0 (113,568)
Net cash flows used by discontinued operations (285,198) (1,318,386)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH 41,723 (3,699,314)
|CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF PERIOD 11,954,635 19,117,666
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD 11,996,358 $ 15,418,352
NON-CASH FINANCING AND INVESTING ACTIVITIES:    
Common stock buyback and retirement   202,980
Conversion of Preferred Series D to Common Stock $ 0 $ 16,926