Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v3.8.0.1
Income Taxes (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Dec. 22, 2017
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Income Taxes (Textual)        
Income tax expense   $ (397) $ 333  
Effective income tax rate   86.10% (51.80%)  
Effective tax rates, U.S. statutory corporate tax rate   21.00% 35.00%  
Deferred tax assets, valuation allowances   $ 4,900   $ 4,700
Changes in valuation allowance   200 $ 400  
Unrecognized tax benefits   1,700   1,700
Unrecognized tax benefits that would impact effective tax rate   $ 1,200   $ 1,200
Minimum [Member]        
Income Taxes (Textual)        
Effective tax rates, U.S. statutory corporate tax rate 21.00%      
Maximum [Member]        
Income Taxes (Textual)        
Effective tax rates, U.S. statutory corporate tax rate 35.00%