Quarterly report [Sections 13 or 15(d)]

Note 7 - Fair Value Measurements and Financial Instruments - Assets Measured on a Recurring Basis (Details)

v3.25.1
Note 7 - Fair Value Measurements and Financial Instruments - Assets Measured on a Recurring Basis (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Assets, Fair Value Disclosure $ 3,447 $ 5,201
Level 1 [Member]    
Assets, Fair Value Disclosure 0 0
Level 2 [Member]    
Assets, Fair Value Disclosure 3,447 5,201
Level 3 [Member]    
Assets, Fair Value Disclosure 0 0
High Interest Savings Accounts [Member]    
Assets, Fair Value Disclosure 3,447 5,201
High Interest Savings Accounts [Member] | Level 1 [Member]    
Assets, Fair Value Disclosure 0 0
High Interest Savings Accounts [Member] | Level 2 [Member]    
Assets, Fair Value Disclosure 3,447 5,201
High Interest Savings Accounts [Member] | Level 3 [Member]    
Assets, Fair Value Disclosure $ 0 $ 0