Quarterly report pursuant to Section 13 or 15(d)

Note 1 - Organization and Accounting Policies - Fair Value of Financial Instruments (Details)

v3.23.1
Note 1 - Organization and Accounting Policies - Fair Value of Financial Instruments (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Assets, Fair Value Disclosure $ 124 $ 102
Liabilities, Fair Value Disclosure 297 556
Assets, Fair Value Disclosure 124 102
Liabilities, Fair Value Disclosure 297 556
Prepayments and Other [Member]    
Derivative asset 124 102
Accrued Liabilities and Other [Member]    
SARs liability 297 556
Fair Value, Inputs, Level 1 [Member]    
Assets, Fair Value Disclosure 0 0
Liabilities, Fair Value Disclosure 0 0
Assets, Fair Value Disclosure 0 0
Liabilities, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 1 [Member] | Prepayments and Other [Member]    
Derivative asset 0 0
Fair Value, Inputs, Level 1 [Member] | Accrued Liabilities and Other [Member]    
SARs liability 0 0
Fair Value, Inputs, Level 2 [Member]    
Assets, Fair Value Disclosure 124 102
Liabilities, Fair Value Disclosure 297 556
Assets, Fair Value Disclosure 124 102
Liabilities, Fair Value Disclosure 297 556
Fair Value, Inputs, Level 2 [Member] | Prepayments and Other [Member]    
Derivative asset 124 102
Fair Value, Inputs, Level 2 [Member] | Accrued Liabilities and Other [Member]    
SARs liability 297 556
Fair Value, Inputs, Level 3 [Member]    
Assets, Fair Value Disclosure 0 0
Liabilities, Fair Value Disclosure 0 0
Assets, Fair Value Disclosure 0 0
Liabilities, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 3 [Member] | Prepayments and Other [Member]    
Derivative asset 0 0
Fair Value, Inputs, Level 3 [Member] | Accrued Liabilities and Other [Member]    
SARs liability $ 0 $ 0