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Note 3 - Net Loss Per Share (Details Textual) $ in Millions	Jun. 03, 2024 USD ($)
Convertible Senior Notes 2026 [Member]
Debt Instrument, Repurchased Face Amount	$ 118.1

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- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

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

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: