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Note 3 - Discontinued Operations - Schedule of Disposal Groups (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2025 | Mar. 31, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Impairment of Long-Lived Assets to be Disposed of | $ 68,800 | $ 24,000 |  | $ 93,025 | $ 0
Loss from discontinued operations, net of tax | (53,486) |  | $ (6,424) | (79,676) | (135,634)
B Medical Systems Business [Member] | Discontinued Operations, Held-for-Sale [Member] |  |  |  |  |
Disposal group, revenue | 16,302 |  | 28,517 | 51,099 | 63,888
Disposal group, cost of revenue | 11,393 |  | 24,939 | 37,654 | 57,820
Gross profit | 4,909 |  | 3,578 | 13,445 | 6,068
Research and development | 1,533 |  | 1,002 | 4,369 | 3,155
Selling, general and administrative | 6,939 |  | 9,861 | 20,855 | 27,804
Impairment of goodwill and intangible assets | 0 |  | 0 | 0 | 111,317
Impairment of Long-Lived Assets to be Disposed of | 68,838 |  | 0 | 93,025 | 0
Restructuring charges | 373 |  | 362 | 1,051 | 4,613
Total operating expenses | 77,683 |  | 11,225 | 119,300 | 146,889
Operating loss | (72,774) |  | (7,647) | (105,855) | (140,821)
Interest income (expense), net | (10) |  | 79 | (20) | 291
Other income (expense), net | (92) |  | 94 | (166) | 776
Loss before income taxes | (72,876) |  | (7,474) | (106,041) | (139,754)
Income tax benefit | (19,689) |  | (1,050) | (27,044) | (4,120)
Loss from discontinued operations, net of tax | (53,187) |  | (6,424) | (78,997) | (135,634)
B Medical Systems Business [Member] | Discontinued Operations, Held-for-Sale [Member] | Product [Member] |  |  |  |  |
Disposal group, revenue | 14,333 |  | 24,735 | 44,507 | 54,666
Disposal group, cost of revenue | 9,793 |  | 21,249 | 31,333 | 48,947
B Medical Systems Business [Member] | Discontinued Operations, Held-for-Sale [Member] | Service [Member] |  |  |  |  |
Disposal group, revenue | 1,969 |  | 3,782 | 6,592 | 9,222
Disposal group, cost of revenue | $ 1,600 |  | $ 3,690 | $ 6,321 | $ 8,873

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