Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details 4)

v3.8.0.1
Income Taxes (Details 4) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Income Taxes [Abstract]    
Reduction of net operating loss carryforwards $ 437 $ 1,275
Reduction of tax credit carryforwards
Total reductions of deferred tax assets 437 1,275
Noncurrent tax liability (reflected in Other long-term liabilities) 1,220 361
Total liability for unrecognized tax benefits $ 1,657 $ 1,636