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Note 3 - Discontinued Operations - Schedule of Disposal Groups (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2025 | Mar. 31, 2024
Impairment of Long-Lived Assets to be Disposed of | $ 24,000 |  | $ 24,187 | $ 0
Loss from discontinued operations, net of tax | (22,271) | $ (120,678) | (26,190) | (129,210)
B Medical Systems Business [Member] | Discontinued Operations, Held-for-Sale [Member] |  |  |  |
Disposal group, revenue | 17,206 | 22,779 | 34,797 | 35,371
Disposal group, cost of revenue | 11,533 | 20,057 | 26,261 | 32,881
Gross profit | 5,673 | 2,722 | 8,536 | 2,490
Research and development | 1,201 | 973 | 2,836 | 2,153
Selling, general and administrative | 7,729 | 9,256 | 13,916 | 17,943
Impairment of goodwill and intangible assets | 0 | 111,317 | 0 | 111,317
Impairment of Long-Lived Assets to be Disposed of | 24,187 | 0 | 24,187 | 0
Restructuring charges | 364 | 3,917 | 678 | 4,251
Total operating expenses | 33,481 | 125,463 | 41,617 | 135,664
Operating loss | (27,808) | (122,741) | (33,081) | (133,174)
Interest income (expense), net | (15) | 85 | (10) | 212
Other income (expense), net | (604) | 518 | (74) | 682
Loss before income taxes | (28,427) | (122,138) | (33,165) | (132,280)
Income tax benefit | (6,536) | (1,460) | (7,355) | (3,070)
Loss from discontinued operations, net of tax | (21,891) | (120,678) | (25,810) | (129,210)
B Medical Systems Business [Member] | Discontinued Operations, Held-for-Sale [Member] | Product [Member] |  |  |  |
Disposal group, revenue | 15,886 | 20,245 | 30,174 | 29,931
Disposal group, cost of revenue | 10,118 | 17,642 | 21,540 | 27,698
B Medical Systems Business [Member] | Discontinued Operations, Held-for-Sale [Member] | Service [Member] |  |  |  |
Disposal group, revenue | 1,320 | 2,534 | 4,623 | 5,440
Disposal group, cost of revenue | $ 1,415 | $ 2,415 | $ 4,721 | $ 5,183

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