Annual report pursuant to Section 13 and 15(d)

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

v3.3.0.814
Industry Segments And Financial Information About Foreign And Domestic Operations (Details)
 3 Months Ended 12 Months Ended
Sep. 30, 2015
USD ($)
Jun. 30, 2015
USD ($)
Mar. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Sep. 30, 2014
USD ($)
Jun. 30, 2014
USD ($)
Mar. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Sep. 30, 2015
USD ($)
segment
Sep. 30, 2014
USD ($)
Sep. 30, 2013
USD ($)
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Number of reportable segments | segment                 1    
Revenue, Net $ 7,154,985 $ 7,813,207 $ 10,977,467 $ 6,659,206 $ 5,554,113 $ 7,900,055 $ 4,346,223 $ 6,690,195 $ 32,604,865 $ 24,490,586 $ 31,456,778
Long-Lived Asset 1,377,000       1,768,000       1,377,000 $ 1,768,000  
Brazil [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Revenues to External Customers [1]                 14,841,000 [2] $ 4,480,000
Zimbabwe [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Revenues to External Customers                 2,696,000 [1] $ 2,064,000 [2] [2]
South Africa [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Revenues to External Customers                 2,331,000 2,928,000 [1] $ 5,421,000 [1]
U.S. [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Revenues to External Customers                 2,029,000 2,381,000 $ 2,611,000 [2]
Long-Lived Asset 123,000       88,000       $ 123,000 88,000  
Angola [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Revenues to External Customers [2]                 2,477,000 [1]
DR of Congo [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Revenues to External Customers [2]                 2,185,000 $ 2,467,000
Tanzania [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Revenues to External Customers                 [2] $ 1,936,000 [2]
Nigeria [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Revenues to External Customers [2]                 $ 2,879,000
Uganda [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Revenues to External Customers                 [2] [1],[2] $ 2,997,000 [1]
Malaysia [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Revenues to External Customers [2]                
Long-Lived Asset 1,134,000       1,528,000       $ 1,134,000 $ 1,528,000  
U.K. [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Revenues to External Customers [2]                
Long-Lived Asset $ 120,000       $ 152,000       $ 120,000 $ 152,000  
Other Countries [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net Revenues to External Customers                 $ 10,708,000 $ 10,520,000 $ 10,602,000
Sales Less Than Five Percent [Member] | Total Revenue [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Concentration risk, percentage                 5.00%    
Sales Exceeding Ten Percent [Member] | Total Revenue [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Concentration risk, percentage                 10.00%    
[1] Exceeds 10 percent of total net revenues.
[2] Less than 5 percent of total net revenues.