Quarterly report pursuant to Section 13 or 15(d)

Business Segment Information (Details)

v3.7.0.1
Business Segment Information (Details) - item
3 Months Ended 12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Concentration Risk [Line Items]      
Number of Reportable Segments 1   2
Total Revenues [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 10.00%    
Accounts Receivable [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 10.00%    
Customer A [Member] | Total Revenues [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 33.00% 0.00%  
Customer A [Member] | Accounts Receivable [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 28.00%   34.00%
Customer B [Member] | Total Revenues [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 13.00% 0.00%  
Customer B [Member] | Accounts Receivable [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 14.00%   21.00%
Customer C [Member] | Total Revenues [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 10.00% 0.00%  
Customer C [Member] | Accounts Receivable [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 24.00%   28.00%
Customer D [Member] | Total Revenues [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 19.00% 0.00%  
Customer D [Member] | Accounts Receivable [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 16.00%   0.00%
Customer E [Member] | Total Revenues [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 0.00% 0.00%  
Customer E [Member] | Accounts Receivable [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 0.00%   12.00%