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
 3 Months Ended
Dec. 31, 2013
segment
Dec. 31, 2012
Sep. 30, 2013
Segment Reporting Information [Line Items]      
Number of reportable segments 1    
Net Revenues to External Customers $ 6,690 $ 9,910  
Long-Lived Asset 2,180   2,233
Angola [Member]
      
Segment Reporting Information [Line Items]      
Net Revenues to External Customers 2,476 [1]    [2]  
South Africa [Member]
      
Segment Reporting Information [Line Items]      
Net Revenues to External Customers 1,656 [1] 4,004 [1]  
U.S. [Member]
      
Segment Reporting Information [Line Items]      
Net Revenues to External Customers 710 [1] 948  
Long-Lived Asset 132   154
Congo [Member]
      
Segment Reporting Information [Line Items]      
Net Revenues to External Customers 650    [2]  
Brazil [Member]
      
Segment Reporting Information [Line Items]      
Net Revenues to External Customers    [2] 2,240 [1]  
Uganda [Member]
      
Segment Reporting Information [Line Items]      
Net Revenues to External Customers    [2] 666  
India [Member]
      
Segment Reporting Information [Line Items]      
Net Revenues to External Customers    [2]    [2]  
Long-Lived Asset 40   45
U.K. [Member]
      
Segment Reporting Information [Line Items]      
Net Revenues to External Customers    [2]    [2]  
Long-Lived Asset 177   181
Malaysia [Member]
      
Segment Reporting Information [Line Items]      
Net Revenues to External Customers    [2]    [2]  
Long-Lived Asset 1,831   1,853
Other Countries [Member]
      
Segment Reporting Information [Line Items]      
Net Revenues to External Customers $ 1,198 $ 2,052  
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.