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Income Taxes (Components of Deferred Tax Assets and Liabilities) (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Deferred income tax assets:    
Net operating loss carryover $ 2,415 $ 0
Stock Compensation 746 843
Other 441 201
Total deferred income tax assets 3,602 1,044
Deferred income tax liabilities:    
Property and equipment (34,968) (32,377)
Goodwill and other intangible assets (573) (604)
Other (219) (226)
Total deferred income tax liabilities (35,760) (33,207)
Net deferred income tax liabilities $ (32,158) $ (32,163)