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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net income (loss) $ 428,661 $ (60,469)
Adjustments to reconcile net income (loss) to net cash used by operating activities:    
Depreciation and amortization 909,220 880,880
Accretion of asset retirement obligation 17,766 6,930
Common stock payable for directors fees 61,459 47,499
Gain on settlement of Hillgrove advance 0 (113,422)
Gain on forgiveness of Cares Act debt 0 (443,400)
Loss on disposal of assets 0 74,259
Write down of inventory to net realizable value 277,146 0
Provision for losses on receivables 59,350 0
Change in value of investments, net 59,246 0
Other non-cash items (647) 0
Changes in operating assets and liabilities:    
Accounts receivable 47,507 (652,680)
Inventories (596,794) (405,207)
Prepaid expenses and other current assets (137,599) 0
IVA receivable and other assets (654,958) (34,249)
Accounts payable (756,949) (491,120)
Accrued liabilities (72,636) 74,986
Accrued liabilities - officers and directors 21,118 (106,015)
Royalties payable 88,833 (88,739)
Export tax assessment payable 0 (1,120,730)
Net cash used by operating activities (249,277) (2,431,477)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Proceeds from redemption of certificates of deposit 0 210,002
Purchase of certificate of deposit 0 (215,000)
Purchase of investments (16,184,893) 0
Proceeds from sales of investments 16,125,647 0
Purchase of properties, plants and equipment (1,726,415) (648,128)
Net cash used by investing activities (1,785,661) (653,126)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Change in checks issued and payable 0 (86,685)
Payments on advances from related party 0 (56,418)
Proceeds from issuance of common stock, net of issuance costs 0 23,342,178
Proceeds from exercise of warrants 0 1,790,705
Payments on Hillgrove advances payable 0 (1,020,799)
Principal paid on notes payable to bank 0 100,000
Principal payments of long-term debt (64,745) (86,426)
Repurchase of shares to be returned to treasury (202,980) 0
Net cash provided (used) by financing activities (267,725) 23,782,555
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH (2,302,663) 20,697,952
|CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF YEAR 21,420,329 722,377
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AT END OF YEAR 19,117,666 21,420,329
Interest paid in cash 15,141 5,539
NON-CASH FINANCING AND INVESTING ACTIVITIES:    
Equipment purchased with long-term debt 161,600 0
Issuance of common stock for directors fees 62,501 110,000
Building purchased with note payable 0 215,150
Preferred Series D dividends declared and payable $ 787,730 $ 0