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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Income Tax Disclosure [Abstract]    
Deferred tax assets, Employee benefits and deferred compensation $ 1,745 $ 1,722
Deferred tax assets, asset impairments 2,619 2,693
Deferred tax assets, Other temporary differences (807) (937)
Deferred tax assets Net operating loss carryforwards 21,977 21,957
Deferred Tax Assets, Gross 25,534 25,435
Valuation allowance (25,534) (25,208)
Net deferred tax assets $ 227