Quarterly report pursuant to Section 13 or 15(d)

Industry Segments And Financial Information About Foreign And Domestic Operations (Details)

v2.4.0.8
Industry Segments And Financial Information About Foreign And Domestic Operations (Details) (USD $)
In Thousands, unless otherwise specified
 9 Months Ended
Jun. 30, 2014
segment
Jun. 30, 2013
Sep. 30, 2013
Segment Reporting Information [Line Items]      
Number of reportable segments 1    
Net Revenues to External Customers $ 18,936 $ 26,668  
Long-Lived Asset 1,927   2,233
South Africa [Member]
      
Segment Reporting Information [Line Items]      
Net Revenues to External Customers 2,581 [1] 5,421 [1]  
Angola [Member]
      
Segment Reporting Information [Line Items]      
Net Revenues to External Customers 2,476 [1]    [2]  
Tanzania [Member]
      
Segment Reporting Information [Line Items]      
Net Revenues to External Customers 1,936 [1]    [2]  
U.S. [Member]
      
Segment Reporting Information [Line Items]      
Net Revenues to External Customers 1,770 1,987  
Long-Lived Asset 99   154
Congo [Member]
      
Segment Reporting Information [Line Items]      
Net Revenues to External Customers 1,511 1,706  
Brazil [Member]
      
Segment Reporting Information [Line Items]      
Net Revenues to External Customers    [2] 4,480 [1]  
Nigeria [Member]
      
Segment Reporting Information [Line Items]      
Net Revenues to External Customers    [2] 2,878 [1]  
Malaysia [Member]
      
Segment Reporting Information [Line Items]      
Net Revenues to External Customers    [2]    [2]  
Long-Lived Asset 1,637   1,853
U.K. [Member]
      
Segment Reporting Information [Line Items]      
Net Revenues to External Customers    [2]    [2]  
Long-Lived Asset 162   181
Other Countries [Member]
      
Segment Reporting Information [Line Items]      
Net Revenues to External Customers 8,662 10,196  
Long-Lived Asset $ 29   $ 45
Sales Less Than Five Percent [Member]
      
Segment Reporting Information [Line Items]      
Concentration risk, percentage 5.00%    
Sales Exceeding Ten Percent [Member]
      
Segment Reporting Information [Line Items]      
Concentration risk, percentage 10.00%    
[1] Exceeds 10 percent of total net revenues.
[2] Less than 5 percent of total net revenues.