Major Customers, Suppliers, Segment and Related Information (Details 1) (USD $)	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Revenues by product line
Total revenues	$ 14,792,338	$ 26,506,821
LRAD [Member]
Revenues by product line
Total revenues	14,411,374	26,196,063
SoundSaber [Member]
Revenues by product line
Total revenues	241,951	147,713
Other [Member]
Revenues by product line
Total revenues	$ 139,013	$ 163,045