Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Details)

v3.3.1.900
Income Taxes - Additional Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Tax Contingency [Line Items]      
Valuation allowance $ 7,122,000 $ 3,995,000  
Interest rate swaps 1,121,000 1,419,000  
Net operating losses 8,220,000 7,498,000  
Unrecognized tax benefits 2,200,000 3,700,000 $ 9,200,000
Unrecognized tax benefits that would impact effective tax rate 800,000 2,500,000  
Operating loss carryforward 18,110,000 19,116,000  
Earnings with no repatriation tax 0    
Amount of interest and penalties related to uncertain tax positions (200,000) (200,000) $ (100,000)
Maximum      
Income Tax Contingency [Line Items]      
Reasonably possible decrease in unrecognized tax benefit 1,000,000    
State      
Income Tax Contingency [Line Items]      
Net operating losses 223,000 $ 239,000  
Operating loss carryforward 11,200,000    
Federal      
Income Tax Contingency [Line Items]      
Operating loss carryforward 13,900,000    
Federal tax credit relating to excess stock options 9,000    
Net operating loss, related to excess stock options 4,400,000    
Foreign Tax Authority      
Income Tax Contingency [Line Items]      
Deferred tax assets, foreign 5,778,000    
Operating loss carryforward $ 26,300,000