Note 9 - Net Financial Income - Financial Income (Expenses) (Details) - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Net Investment Income [Abstract]
Foreign exchange gain (loss)	$ (78)	$ (755)
Change in fair value of warrant liabilities	10	643
Interest income and bank charges	0	20
Other Income	32	119
Financial income	$ (36)	$ 27

Amount of expense (income) related to adjustment to fair value of warrant liability.

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Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.

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Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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