Quarterly report pursuant to Section 13 or 15(d)

Industry Segments and Financial Information About Foreign and Domestic Operations (Narrative) (Details)

v3.7.0.1
Industry Segments and Financial Information About Foreign and Domestic Operations (Narrative) (Details)
9 Months Ended 12 Months Ended
Jun. 30, 2017
segment
customer
Jun. 30, 2016
customer
Sep. 30, 2016
customer
Number of Reportable Segments | segment 1    
Accounts Receivable [Member] | Customer One [Member]      
Number of Customers     1
Concentration risk, percentage     49.00%
Accounts Receivable [Member] | Two Customers[Member]      
Number of Customers 2    
Accounts Receivable [Member] | Customer One of Two Customers [Member]      
Concentration risk, percentage 25.00%    
Accounts Receivable [Member] | Customer Two of Two Customers [Member]      
Concentration risk, percentage 15.00%    
Accounts Receivable and Other Long-Term Receivables [Member] | Customer One [Member]      
Number of Customers 1   1
Concentration risk, percentage 80.00%   85.00%
Total Revenue [Member]      
Number of Customers 0   0
Concentration risk, percentage 10.00% 10.00% 10.00%
Total Revenue [Member] | Two Customers[Member]      
Number of Customers 2    
Total Revenue [Member] | Three Customers [Member]      
Number of Customers   3  
Net Revenues Less Than Five Percent [Member]      
Concentration risk, percentage 5.00%    
Net Revenues Exceeding Ten Percent [Member]      
Concentration risk, percentage 10.00%