Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash Flows From Operating Activities:
Net income (loss)	$ (335,488)	$ (308,882)
Adjustments to reconcile net income (loss) to net cash provided (used) by operating activities:
Depreciation and amortization	222,464	226,281
Accretion of asset retirement obligation	1,732	2,654
Common stock payable for directors fees	28,125	28,125
Write-down of inventory to net realizable value	57,530	22,475
Other non-cash items	(661)	(660)
Change in:
Accounts receivable, net	(298,933)	54,761
Inventories	(125,067)	(39,124)
IVA receivable and other assets	(50,546)	2,083
Accounts payable	(582,360)	(24,528)
Accrued liabilities	(80,998)	(38,147)
Export tax assessment payable	(1,120,730)	23,774
Payables to related party	(164,922)	14,923
Net cash (used) by operating activities	(2,449,854)	(36,265)
Cash Flows From Investing Activities:
Purchase of properties, plants and equipment	(23,298)	(96,271)
Net cash (used) by investing activities	(23,298)	(96,271)
Cash Flows From Financing Activities:
Change in checks issued and payable	(86,685)	56,102
Net borrowing from factor	0	6,347
Payments on advances from related party	(56,216)	(13,933)
Proceeds from issuance of common stock and warrants, net of issuance costs	23,342,180	0
Proceeds from exercise of warrants	1,763,619	0
Borrowing on notes payable to bank	0	2,488
Principal paid on notes payable to bank	(100,000)	0
Principal payments of long-term debt	(12,518)	(10,906)
Net cash provided by financing activities	24,850,380	40,098
Net increase (decrease) in cash and cash equivalents and restricted cash	22,377,228	(92,438)
Cash and cash equivalents and restricted cash at beginning of period	722,377	172,767
Cash and cash equivalents and restricted cash at end of period	23,099,605	80,329
NONCASH INVESTING AND FINANCING ACTIVITIES:
Common stock issued for warrants	$ 0	$ 62,500