Note 16 - Related Party Transactions (Details Textual)
|
|
|
|
|
|
|
|
|
|
|
|
3 Months Ended |
6 Months Ended |
12 Months Ended |
84 Months Ended |
|
|
|
|
Jun. 30, 2026
USD ($)
a
$ / shares
shares
|
Apr. 30, 2026
USD ($)
$ / shares
shares
|
Apr. 06, 2026
USD ($)
$ / shares
shares
|
Mar. 26, 2026
USD ($)
$ / shares
shares
|
Dec. 31, 2025
USD ($)
$ / shares
shares
|
May 22, 2025
shares
|
May 21, 2025
USD ($)
shares
|
Dec. 28, 2023
USD ($)
|
Dec. 15, 2023
USD ($)
|
Dec. 10, 2021
USD ($)
|
Sep. 07, 2021
USD ($)
|
Jun. 30, 2026
USD ($)
a
$ / shares
shares
|
Mar. 31, 2026
USD ($)
|
Jun. 30, 2025
USD ($)
$ / shares
|
Jun. 30, 2026
USD ($)
a
$ / shares
shares
|
Jun. 30, 2025
USD ($)
$ / shares
shares
|
Dec. 31, 2025
USD ($)
$ / shares
shares
|
Dec. 31, 2024
USD ($)
|
Dec. 31, 2025
USD ($)
$ / shares
shares
|
Jun. 15, 2026
$ / shares
|
Aug. 13, 2025
$ / shares
|
Aug. 12, 2025
$ / shares
|
| Investments |
$ 67,212,920
|
|
|
|
$ 39,505,436
|
|
|
|
|
|
|
$ 67,212,920
|
|
|
$ 67,212,920
|
|
$ 39,505,436
|
|
$ 39,505,436
|
|
|
|
| Stock Issued During Period, Shares, New Issues (in shares) | shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
8,842,308
|
|
|
|
|
|
|
| Share Price (in dollars per share) | $ / shares |
$ 4.16
|
|
|
|
$ 3.76
|
|
|
|
|
|
|
$ 4.16
|
|
$ 3.79
|
$ 4.16
|
$ 3.79
|
$ 3.76
|
|
$ 3.76
|
$ 4.08
|
$ 3.17
|
$ 3.17
|
| Asset Acquisition, Contingent Consideration, Liability, Noncurrent |
$ 2,451,758
|
|
|
|
$ 7,923,888
|
|
|
|
|
|
|
$ 2,451,758
|
|
|
$ 2,451,758
|
|
$ 7,923,888
|
|
$ 7,923,888
|
|
|
|
| Interest Expense, Nonoperating |
|
|
|
|
|
|
|
|
|
|
|
222,406
|
|
$ 774,062
|
370,399
|
$ 1,433,206
|
|
|
|
|
|
|
| Depreciation |
|
|
|
|
|
|
|
|
|
|
|
348,798
|
|
233,065
|
751,564
|
380,745
|
|
|
|
|
|
|
| Asset Purchase Agreement [Member] | Flux Photon Corporation (“FPC”) [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Asset Acquisition, Consideration Transferred |
|
|
|
|
|
|
|
|
|
|
$ 18,000,000
|
|
|
|
|
|
|
|
|
|
|
|
| Asset Acquisition, Percentage of Future Monthly Consolidated Sales |
|
|
|
|
|
|
|
|
|
|
20.00%
|
|
|
|
|
|
|
|
|
|
|
|
| Payments to Acquire Productive Assets |
|
|
|
|
|
|
|
|
|
|
$ 350,000
|
|
|
|
|
|
|
|
|
|
|
|
| Asset Acquisition, Contingent Consideration, Liability |
|
|
|
|
|
|
|
|
|
|
17,650,000
|
|
|
|
|
|
|
|
|
|
|
|
| FPC Asset Purchase Agreement [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Asset Acquisition, Consideration Transferred |
|
|
|
|
|
|
|
|
|
$ 16,850,000
|
$ 18,000,000
|
|
|
|
|
|
|
|
|
|
|
|
| Asset Acquisition, Percentage of Future Monthly Consolidated Sales |
|
|
|
|
|
|
|
|
|
|
20.00%
|
|
|
|
|
|
|
|
|
|
|
|
| Payments to Acquire Productive Assets |
|
|
|
|
|
|
$ 1,150,000
|
$ 200,000
|
|
|
|
|
|
|
|
|
|
$ 275,000
|
|
|
|
|
| Asset Acquisition, Contingent Consideration, Liability |
4,210,000
|
|
|
|
|
|
6,050,000
|
|
|
|
$ 17,650,000
|
4,210,000
|
|
|
4,210,000
|
|
|
|
|
|
|
|
| Asset Acquisition, Consideration Transferred, Liabilities Incurred |
|
|
|
|
|
|
16,050,000
|
$ 16,650,000
|
|
|
|
|
|
|
|
|
|
$ 16,375,000
|
|
|
|
|
| Asset Acquisition, Discount |
|
|
|
|
|
|
$ 800,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock Issued During Period, Shares, New Issues (in shares) | shares |
|
|
1,750,000
|
|
|
|
1,700,000
|
|
|
|
|
|
|
|
|
|
1,700,000
|
|
|
|
|
|
| Asset Acquisition, Contingent Consideration, Liability, Monthly Payment |
|
|
|
|
|
|
$ 120,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Asset Acquisition, Contingent Consideration, Liability, Monthly Payment, After 18 Months |
|
|
|
|
|
|
$ 60,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Asset Acquisition, Financing Rate |
|
|
|
|
|
|
2.00%
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Payments for Asset Purchase Agreement, Cash Consideration |
|
|
|
|
|
|
|
|
|
|
|
|
$ 1,840,000
|
|
|
|
$ 1,000,000
|
|
|
|
|
|
| Asset Acquisition, Contingent Consideration, Liability, Interest |
$ 1,581,383
|
|
|
|
|
|
|
|
|
|
|
$ 1,581,383
|
|
|
$ 1,581,383
|
|
|
|
|
|
|
|
| Asset Acquisition, Interest Rate, Percent |
9.76%
|
|
|
|
|
|
|
|
|
|
|
9.76%
|
|
|
9.76%
|
|
|
|
|
|
|
|
| Asset Acquisition, Contingent Consideration, Liability, Net of Interest |
$ 3,177,602
|
|
|
|
|
|
|
|
|
|
|
$ 3,177,602
|
|
|
$ 3,177,602
|
|
|
|
|
|
|
|
| Asset Acquisition, Contingent Consideration, Liability, Current |
725,844
|
|
|
|
|
|
|
|
|
|
|
725,844
|
|
|
725,844
|
|
|
|
|
|
|
|
| Asset Acquisition, Contingent Consideration, Liability, Noncurrent |
$ 2,451,758
|
|
|
|
|
|
|
|
|
|
|
2,451,758
|
|
|
2,451,758
|
|
|
|
|
|
|
|
| Interest Expense, Nonoperating |
|
|
|
|
|
|
|
|
|
|
|
107,324
|
|
61,522
|
219,270
|
61,522
|
|
|
|
|
|
|
| FPC Asset Purchase Agreement [Member] | FPC Settlement Shares [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock Issued During Period, Shares, New Issues (in shares) | shares |
|
|
1,750,000
|
|
|
|
2,000,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| FPC Asset Purchase Agreement [Member] | FPC Assets Earn Out [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Asset Acquisition, Contingent Consideration, Liability |
|
|
|
|
|
|
$ 10,000,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| FPC Asset Purchase Agreement [Member] | FPC Affiliates [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock Issued During Period, Shares, New Issues (in shares) | shares |
|
|
1,750,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
300,000
|
|
|
|
|
|
| Proceeds from Issuance or Sale of Equity |
|
|
$ 6,055,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 4,726,187
|
|
|
|
|
|
| Derivative Liability |
|
|
$ 5,273,813
|
|
$ 5,273,813
|
|
|
|
|
|
|
|
|
|
|
|
$ 5,273,813
|
|
5,273,813
|
|
|
|
| Share Price (in dollars per share) | $ / shares |
|
|
$ 3.46
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Dr. Villamagna [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Metal Recycling Furnace Payment |
|
|
|
|
|
|
|
|
$ 375,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Depreciation |
|
|
|
|
|
|
|
|
|
|
|
$ 4,688
|
|
$ 4,688
|
$ 9,376
|
$ 9,376
|
|
|
|
|
|
|
| Advances to Sierra Springs Opportunity Fund, Inc. (SSOF) [Member] | Chief Executive Officer and Two Directors [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Investment Owned, Balance, Shares (in shares) | shares |
6,645,871
|
|
|
|
|
|
|
|
|
|
|
6,645,871
|
|
|
6,645,871
|
|
|
|
|
|
|
|
| Investments |
$ 525,000
|
|
|
|
|
|
|
|
|
|
|
$ 525,000
|
|
|
$ 525,000
|
|
|
|
|
|
|
|
| Investment Owned, Percentage of Total Shares Outstanding |
5.66%
|
|
|
|
|
|
|
|
|
|
|
5.66%
|
|
|
5.66%
|
|
|
|
|
|
|
|
| Bioleum Corporation [Member] | Founders Group [Member] | Series 2 Preferred Stock [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock Issued During Period, Shares, New Issues (in shares) | shares |
|
|
|
|
|
2,000,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Sierra Springs Opportunity Fund, Inc. (SSOF) [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Payments to Acquire Investments |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 8,500,000
|
|
|
|
| Subsidiary, Ownership Percentage, Noncontrolling Owner |
47.63%
|
|
|
|
16.99%
|
|
|
|
|
|
|
47.63%
|
|
|
47.63%
|
|
16.99%
|
|
16.99%
|
|
|
|
| Investment Owned, Balance, Shares (in shares) | shares |
55,893,673
|
|
|
|
11,236,111
|
|
|
|
|
|
|
55,893,673
|
|
|
55,893,673
|
|
11,236,111
|
|
11,236,111
|
|
|
|
| Sierra Springs Opportunity Fund, Inc. (SSOF) [Member] | S S E [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Subsidiary, Ownership Percentage, Parent |
100.00%
|
|
|
|
|
|
|
|
|
|
|
100.00%
|
|
|
100.00%
|
|
|
|
|
|
|
|
| Area of Land (Acre) | a |
2,200
|
|
|
|
|
|
|
|
|
|
|
2,200
|
|
|
2,200
|
|
|
|
|
|
|
|
| Conversion of Sierra Springs Advances Into Sierra Springs Common Stock [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Payments to Acquire Investments |
$ 13,640,000
|
$ 237,415
|
|
|
$ 9,400,000
|
|
|
|
|
|
|
|
$ 5,750,000
|
|
|
|
|
|
|
|
|
|
| Debt Conversion, Original Debt, Amount |
$ 13,640,000
|
$ 237,415
|
|
$ 15,150,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Debt Conversion, Converted Instrument, Shares Issued (in shares) | shares |
20,984,615
|
365,255
|
|
23,307,692
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Debt Conversion, Conversion Rate, Price Per Share (in dollars per share) | $ / shares |
$ 0.65
|
$ 0.65
|
|
$ 0.65
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|