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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)    
Net loss $ (1,730,404) $ (6,348,287)
Depreciation and amortization 1,085,747 959,445
Accretion of asset retirement obligation 73,081 13,471
Changes in asset retirement obligation estimates 0 324,984
Noncash operating lease expense 222,188 0
Share-based compensation 568,588 0
Loss on sale or disposal of property, plant and equipment, net 11,097 217,921
Write-down of inventory to net realizable value 65,647 2,073,404
Change in allowance for doubtful accounts on accounts receivable 261,047 (239,772)
Change in IVA receivable and other assets, net 100,718 388,442
Other noncash items (16,107) (7,500)
Changes in operating assets and liabilities:    
Accounts receivable (270,261) (80,571)
Inventories 74,738 (2,084,445)
Prepaid expenses and other current assets (11,792) 45,230
Accounts payable 1,088,773 (171,868)
Accrued liabilities 1,293,305 (67,308)
Accrued liabilities - directors 16,477 51,847
Stock payable to directors (38,542) (22,917)
Change in operating lease liability (31,908) 0
Royalties payable (19,995) (281,646)
Net cash provided (used) by operating activities 2,220,303 (4,750,026)
Proceeds from redemption of certificates of deposit 72,898 186,959
Proceeds from sale of properties, plants and equipment 315,625 0
Purchases of properties, plant, and equipment (430,596) (1,528,672)
Net cash used by investing activities (42,073) (1,341,713)
Payments on dividends payable 0 (787,730)
Principal payments on long-term debt (103,488) (283,562)
Proceeds from issuance of common stock, net of issuance costs 2,759,681 0
Proceeds from exercise of warrants 1,481,840 0
Net cash provided (used) by financing activities 4,138,033 (1,071,292)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH 6,316,263 (7,163,031)
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 18,270,898 11,954,635
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION    
Interest paid in cash 8,869 10,521
NON-CASH FINANCING AND INVESTING ACTIVITIES:    
Equipment purchased with note payable 402,722 0
Recognition of operating lease liability and right of use asset 787,477 0
Common stock buyback and retirement 0 202,980
Conversion of Preferred Series D to Common Stock $ 0 $ 16,926