Annual report pursuant to Section 13 and 15(d)

Note 5 - Employee Benefit Plans - Amounts Recognized in Accumulated Other Comprehensive Income (Details)

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Note 5 - Employee Benefit Plans - Amounts Recognized in Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Net actuarial loss $ (1,246) $ (1,485)
Prior service cost
Amounts recognized in accumulated other comprehensive income (loss), before taxes (1,246) (1,485)
Income tax benefit 442 525
Amounts recognized in accumulated other comprehensive income (loss), after taxes $ (804) $ (960)