Note 11 - Other Accrued Expenses - Summary of Other Accrued Expenses (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Legal and professional fees	$ 143	$ 24
Consulting fees	407	53
Licensing fees	750	0
Delaware franchise tax	19	180
Payroll liabilities	321	98
Other	191	21
Total accrued expenses	1,831	376
Discontinued Operations [Member]
Total accrued expenses	43	6
Continuing and Discontinued Operations [Member]
Total accrued expenses	$ 1,874	$ 382