Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Narrative) (Details)

v3.8.0.1
Income Taxes (Narrative) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Jun. 30, 2018
Jun. 30, 2017
Operating Loss Carryforwards [Line Items]            
Effective tax rate 121.80% 36.70% 60.80% 36.10%    
Provisional decrease $ 200          
Net adjustment to deferred income tax     $ 200      
Income before provision for income taxes 266 $ 4,330 984 $ 7,328    
Income taxes receivable 663   663     $ 0
Income taxes payable 0   0     1,418
Deferred tax assets - non-current 4,170   4,170     3,959
Valuation allowance (56)   (56)     (56)
U.S.            
Operating Loss Carryforwards [Line Items]            
Income before provision for income taxes 266 4,330 950 7,314    
Deferred tax assets - non-current 2,700   2,700     2,500
Foreign            
Operating Loss Carryforwards [Line Items]            
Income before provision for income taxes 0 $ 0 34 $ 14    
State and Local Jurisdiction            
Operating Loss Carryforwards [Line Items]            
Deferred tax assets - non-current 1,500   1,500     1,400
Operating loss carryforwards 12,500   12,500     12,500
Tax effected $ 700   $ 700     $ 700
Scenario, Forecast            
Operating Loss Carryforwards [Line Items]            
Effective tax rate         28.00%