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Note 2 - Pillarstone Capital REIT Operating Partnership LP's Bankruptcy and Deconsolidation (Details Textual) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2025	Dec. 31, 2024	Mar. 31, 2024
Deconsolidation, Gain (Loss), Amount		$ (0)	$ 864
Building and Building Improvements [Member] \| Minimum [Member]
Property, Plant, and Equipment, Useful Life	5 years	5 years
Building and Building Improvements [Member] \| Maximum [Member]
Property, Plant, and Equipment, Useful Life	39 years	39 years
In re: Whitestone Industrial-Office, LLC, et. al. [Member]
Proceeds from Legal Settlements	$ 4,050
Pillarstone OP [Member]
Accounts Receivable, after Allowance for Credit Loss				$ 4,050
Deconsolidation, Gain (Loss), Amount			$ 864