Note 8 - Commitments and Contingencies - (Details Textual) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Commitments and Contingencies [Line Items]
Deferred rent outstanding	$ 3,480	$ 3,090

Amount of excess of rental income recognized over rental payment required by lease.

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