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Note 4 - Property and Equipment (Details Textual) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Depreciation	$ 0.1	$ 0.8	$ 0.2	$ 1.6
Equipment [Member]
Property, Plant and Equipment, Disposals				$ 3.3
Software and Software Development Costs [Member]
Impairment, Long-Lived Asset, Held-for-Use			$ 0.9

X

- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Amount of divestiture of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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