Note 12 - Other Long-Term Liabilities (Details Textual) - USD ($) $ in Thousands	Sep. 30, 2023	Mar. 31, 2023
Accrued Royalties	$ 4,535	$ 3,788
Other Liabilities, Noncurrent	8,906	$ 9,578
Sound Exchange Settlement [Member]
Other Liabilities, Noncurrent	4,100
Reclassification of Accrued Royalties to Long Term [Member]
Accrued Royalties	$ 4,500

Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15(5))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant