Note 10 - Derivative Liabilities - Movement in Derivative Liabilities (Details) $ in Thousands	9 Months Ended
Apr. 30, 2024 USD ($)
Balance	$ 4,313
Exercise of Replacement Warrants	(6,137)
Change in fair value during the period	9,892
Balance	$ 8,068

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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+ Details

- Definition

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

+ References + Details