Nature Of Business And Significant Accounting Policies (Summary Of Significant Customers) (Details)		12 Months Ended
		Sep. 30, 2016	Sep. 30, 2015		Sep. 30, 2014
Total Revenue [Member] | Customer Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage		76.00%	81.00%		81.00%
Total Revenue [Member] | Semina [Member] | Customer Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage		27.00%	47.00%			[1]
Total Revenue [Member] | UNFPA [Member] | Customer Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage		25.00%	18.00%		40.00%	[1]
Total Revenue [Member] | USAID [Member] | Customer Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage		24.00%	16.00%		17.00%	[1]
Total Revenue [Member] | Sekunjalo Investments Corp [Member] | Customer Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage	[1]				13.00%
Total Revenue [Member] | Azinor International Lda [Member] | Customer Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage				[1]	11.00%
Total Revenue [Member] | Less Than 10 Percent Of Unit Sales [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage		10.00%
Current Assets [Member] | Customer Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage		44.00%
Current Assets [Member] | More than 10 Percent of Unit Sales [Member] | Customer Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage		10.00%	10.00%
Accounts Receivable [Member] | Semina [Member] | Customer Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage		85.00%	71.00%

[1] Less than 10 percent of unit sales.