Quarterly report pursuant to Section 13 or 15(d)

Restructuring Charges - Additional Information (Details)

v3.4.0.3
Restructuring Charges - Additional Information (Details)
 3 Months Ended 6 Months Ended
Mar. 31, 2016
USD ($)
Dec. 31, 2015
Employee
Jun. 30, 2016
USD ($)
Restructuring Cost And Reserve [Line Items]      
Restructuring charges $ 36,000    
Payments for restructuring expenses 400,000    
Forecast [Member]      
Restructuring Cost And Reserve [Line Items]      
Expected future payments for restructuring     $ 100,000
Contract Termination Costs [Member]      
Restructuring Cost And Reserve [Line Items]      
Restructuring charges 34,000    
2015 Restructuring [Member]      
Restructuring Cost And Reserve [Line Items]      
Number of employees terminated | Employee   52  
2015 Restructuring [Member] | Severance, Other Termination Benefits and Outplacement Services [Member]      
Restructuring Cost And Reserve [Line Items]      
Restructuring charges 2,000    
2015 Restructuring [Member] | Contract Termination Costs [Member]      
Restructuring Cost And Reserve [Line Items]      
Restructuring charges $ 34,000