| Property, Plant, and Equipment [Text Block] |
| Note 4. | Property and Equipment |
Property and equipment are as follows:
| | | | | | | | | | | | |
| | | Estimated Useful | | | As of June 30, | |
| | | | Lives (Years) | | | | 2026 | | | | 2025 | |
| Building and building improvements | | | 10 - 40 | | | $ | 4,083,000 | | | $ | 3,457,000 | |
| Land | | | N/A | | | | 200,000 | | | | 200,000 | |
| Land improvements | | | 15 | | | | 173,000 | | | | 173,000 | |
| Equipment | | | 3 - 7 | | | | 3,178,000 | | | | 3,214,000 | |
| Software | | | 7 | | | | 2,134,000 | | | | 2,236,000 | |
| Demonstration and rental equipment | | | 3 | | | | 859,000 | | | | 1,214,000 | |
| Construction in progress | | | N/A | | | | 185,000 | | | | 224,000 | |
| | | | | | | | 10,812,000 | | | | 10,718,000 | |
| Less: Accumulated depreciation | | | | | | | (5,598,000 | ) | | | (6,004,000 | ) |
| Net property and equipment | | | | | | $ | 5,214,000 | | | $ | 4,714,000 | |
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