Amount of accumulated undistributed earnings (deficit).

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

Note 1 - Nature of Business (Details Textual) - USD ($) $ in Thousands	Dec. 10, 2025	Dec. 31, 2024	Dec. 31, 2023
Disclosure of Organization Consolidation and Presentation of Financial Statements [Line Items]
Accumulated deficit		$ (379,637)	$ (370,138)
Subsequent Event [Member] \| First Central Tower Limited Partnership [Member]
Disclosure of Organization Consolidation and Presentation of Financial Statements [Line Items]
Loss contingency, damages sought, value	$ 963,363