Quarterly report pursuant to Section 13 or 15(d)

Credit Risk and Concentrations (Details Textual)

v3.5.0.2
Credit Risk and Concentrations (Details Textual)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
Jun. 30, 2016
USD ($)
Vendor
Jun. 30, 2015
USD ($)
Vendor
Accounts Receivable [Member] | Customer A [Member]        
Credit Risk and Concentrations (Textual)        
Concentration risk, percentage     17.00% 38.00%
Accounts Receivable [Member] | Customer C [Member]        
Credit Risk and Concentrations (Textual)        
Concentration risk, percentage     31.00%  
Accounts Receivable [Member] | Customer D [Member]        
Credit Risk and Concentrations (Textual)        
Concentration risk, percentage     13.00%  
Accounts Receivable [Member] | Customer E [Member]        
Credit Risk and Concentrations (Textual)        
Concentration risk, percentage       12.00%
Accounts payable [Member]        
Credit Risk and Concentrations (Textual)        
Concentration risk, percentage     53.00%  
Purchases from vendors | $ $ 5.3 $ 9.4 $ 9.8 $ 15.2
Number of vendors | Vendor     1 2
Accounts payable [Member] | Vendor A [Member]        
Credit Risk and Concentrations (Textual)        
Concentration risk, percentage       63.00%
Accounts payable [Member] | Vendor B [Member]        
Credit Risk and Concentrations (Textual)        
Concentration risk, percentage       11.00%
Purchases [Member] | Vendor A [Member]        
Credit Risk and Concentrations (Textual)        
Concentration risk, percentage 71.00% 84.00% 62.00% 63.00%
Purchases [Member] | Vendor B [Member]        
Credit Risk and Concentrations (Textual)        
Concentration risk, percentage 10.00% 16.00% 11.00% 12.00%