Note 1 - Significant Accounting Policies - Accruals For Sales and Marketing (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Statement [Line Items]
Balance	$ 76	$ 91
additions	319	440
usages	(248)	(473)
adjustments	(45)	18
Balance	$ 102	$ 76

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details