Income Taxes - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Oct. 31, 2024
Operating Loss Carryforwards [Line Items]
Increase (decrease) in valuation allowance	$ (116)	$ 2,000
Reduction in valuation allowance	364	212
Liability for uncertain tax positions, excluding any related interest and penalties	22	$ 22
Liability for uncertain tax position, would impact the effective tax rate, if recognized	22
Accrued interest	19
Interest and penalties from continuing operations	1
Accumulated deficit of foreign subsidiaries	2
Discontinued Operations, Disposed of by Sale | C Blade
Operating Loss Carryforwards [Line Items]
Percentage acquired			100.00%
Capital Loss Carryforward
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	670
Revenue commissioners, Ireland | Subsidiaries
Operating Loss Carryforwards [Line Items]
Operating loss carryforward	5,458
Foreign tax authority
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	1,215
Domestic tax authority
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	32,943
Interest expense carryforward	2,248
Tax credit carryforward amount subject to expiration	4,643
Tax credit carryforward amount not subject to expiration	28,300
Domestic tax authority | General Business Tax Credit Carryforward
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	2,215
State and local jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforward	30,151
Tax credit carryforward	$ 12