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Note 6 - Fair Value Measurement - Summary of the Fair Values of the Company's Derivative Instrument Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Derivative instrument asset, net $ 299 $ 3,860
Fair Value, Recurring [Member]    
Derivative instrument asset, net 452  
Total Assets, net 452  
Derivative Asset   3,647
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Derivative instrument asset, net 0  
Total Assets, net 0  
Derivative Asset   0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Derivative instrument asset, net 452  
Total Assets, net 452  
Derivative Asset   3,647
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Derivative instrument asset, net 0  
Total Assets, net $ 0  
Derivative Asset   $ 0