Industry Segments And Financial Information About Foreign And Domestic Operations (Details)		3 Months Ended		9 Months Ended			12 Months Ended
		Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) segment customer		Jun. 30, 2015 USD ($) customer	Sep. 30, 2015 USD ($) customer
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of reportable segments | segment				1
Net revenues to external customers		$ 5,560,776	$ 7,813,207	$ 18,564,236		$ 25,449,880
Long-Lived Asset		1,107,000		$ 1,107,000			$ 1,377,000
Net Revenues Less Than Five Percent [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage				5.00%
Net Revenues Exceeding Ten Percent [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage				10.00%
Brazil [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues to external customers	[1]			$ 6,008,000		13,012,000
Zimbabwe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues to external customers				2,478,000	[1]	2,404,000
U.S. [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues to external customers				1,847,000		1,510,000
Long-Lived Asset		135,000		135,000			123,000
South Africa [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues to external customers					[2]	1,676,000
Cameroon [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues to external customers					[2]	1,556,000
Malaysia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues to external customers	[2]
Long-Lived Asset		875,000		875,000			1,134,000
U.K. [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues to external customers					[2]
Long-Lived Asset		$ 97,000		97,000			$ 120,000
Other Countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues to external customers				$ 8,231		$ 5,292
Customer One [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of Customers | customer				1			1
Customer One [Member] | Accounts Receivable [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage				64.00%			46.00%
Single Customer [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of Customers | customer				0			0
Single Customer [Member] | Net Revenues Exceeding Ten Percent [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage				10.00%			10.00%
Three Customers [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of Customers | customer				3		3
Three Customers [Member] | Accounts Receivable [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage				10.00%		10.00%

[1] Countries exceeding 10 percent of total net revenues

[2] * Countries with less than 5 percent of total net revenues