| Segment Reporting [Table Text Block] |
| | | Three months ended March 31, | |
| Sale of Product | | 2026 | | | 2025 | |
| Theranostics Products | | $ | 1,397,282 | | | $ | 1,787,054 | |
| Cobalt Products | | | 9,739 | | | | 72,450 | |
| Calibration & Reference Products | | | 882,790 | | | | 1,326,766 | |
| Medical Device Products | | | 89,113 | | | | 52,630 | |
| Fluorine Products | | | — | | | | — | |
| Total Segments | | | 2,378,924 | | | | 3,238,900 | |
| Corporate revenue | | | — | | | | — | |
| Total Consolidated | | $ | 2,378,924 | | | $ | 3,238,900 | |
| | | Three months ended March 31, | |
| Depreciation and Amortization | | 2026 | | | 2025 | |
| Theranostics Products | | $ | 12,436 | | | $ | 8,209 | |
| Cobalt Products | | | 17,100 | | | | 16,002 | |
| Calibration & Reference Products | | | 37,738 | | | | 29,880 | |
| Medical Device Products | | | — | | | | — | |
| Fluorine Products | | | 28,970 | | | | 26,095 | |
| Total Segments | | | 96,244 | | | | 80,186 | |
| Corporate depreciation and amortization | | | 13,944 | | | | 17,759 | |
| Total Consolidated | | $ | 110,188 | | | $ | 97,945 | |
| | | Three months ended March 31, | |
| Segment Income (Loss) | | 2026 | | | 2025 | |
| Theranostics Products | | $ | 406,898 | | | $ | 876,994 | |
| Cobalt Products | | | (246,803 | ) | | | (148,226 | ) |
| Calibration & Reference Products | | | (117,652 | ) | | | 267,563 | |
| Medical Device Products | | | (163,594 | ) | | | (181,669 | ) |
| Fluorine Products | | | (11,384 | ) | | | (26,159 | ) |
| Total Segments | | | (132,535 | ) | | | 788,503 | |
| Corporate loss | | | (1,215,551 | ) | | | (901,197 | ) |
| Net Loss | | $ | (1,348,086 | ) | | $ | (112,694 | ) |
| | | Three months ended March 31, | |
| Expenditures for Segment Assets | | 2026 | | | 2025 | |
| Theranostics Products | | $ | 49,481 | | | $ | 46,515 | |
| Cobalt Products | | | 110,023 | | | | 12,835 | |
| Calibration & Reference Products | | | — | | | | 18,214 | |
| Medical Device Products | | | 45,671 | | | | 28,876 | |
| Fluorine Products | | | — | | | | — | |
| Total Segments | | | 205,175 | | | | 106,440 | |
| Corporate purchases | | | — | | | | 22,441 | |
| Total Consolidated | | $ | 205,175 | | | $ | 128,881 | |
| | | March 31, | | | December 31, | |
| Segment Assets | | 2026 | | | 2025 | |
| Theranostics Products | | $ | 991,032 | | | $ | 1,115,238 | |
| Cobalt Products | | | 316,024 | | | | 260,960 | |
| Calibration & Reference Products | | | 2,843,051 | | | | 2,896,335 | |
| Medical Device Products | | | 792,043 | | | | 697,503 | |
| Fluorine Products | | | 4,770,719 | | | | 4,771,359 | |
| Total Segments | | | 9,712,869 | | | | 9,741,395 | |
| Corporate assets | | | 7,475,004 | | | | 8,095,237 | |
| Total Consolidated | | $ | 17,187,873 | | | $ | 17,836,632 | |
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