XML 56 R40.htm IDEA: XBRL DOCUMENT v3.19.2
Note 10 - Financial Instruments (Details Textual)
$ in Thousands
Jun. 30, 2019
USD ($)
Dec. 31, 2018
USD ($)
Long-term Debt, Fair Value $ 40,030  
Difference Between Fair Value and Carrying Value (170)  
Long-term Debt, Total $ 40,200  
Interest Rate Swap [Member]    
Derivative, Number of Instruments Held, Total   1
Derivative, Notional Amount   $ 10,000