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Note 16 - Derivative Financial Instruments (Details Textual)
$ in Millions
Apr. 21, 2020
USD ($)
Interest Rate Swap [Member]  
Derivative, Number of Instruments Held, Total 2
Interest Rate Swap One [Member]  
Derivative, Notional Amount $ 5
Derivative, Fixed Interest Rate 0.79%
Interest Rate Swap Two [Member]  
Derivative, Notional Amount $ 4
Derivative, Fixed Interest Rate 0.82%