Note 10 - Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%
Deferred Tax Assets, Valuation Allowance	$ 27,862	$ 25,808
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount	0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	100	200
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	0	$ 0
State and Local Jurisdiction [Member]
Operating Loss Carryforwards	49,000
Foreign Tax Jurisdiction [Member]
Operating Loss Carryforwards	$ 19,600
Open Tax Year	2015 2016 2017 2018 2019 2020 2021 2022 2023 2024
Domestic Tax Jurisdiction and State and Local Tax Jurisdiction [Member]
Open Tax Year	2021 2022 2023 2024