Note 7 - Other Assets - Schedule of Other Assets, Net (Detail) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Prepaid assets and deposits	$ 172	$ 1,364
Leasing commission costs and incentives, net	0	2,297
Right-of-use assets, net	$ 829	$ 1,253
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Total assets	Total assets
Pre-acquisition costs	$ 0	$ 73
Other receivables, net	8	460
Corporate property, net	110	125
Receivables from related parties	0	992
Total assets	$ 1,119	$ 6,564