Summary of Significant Accounting Policies (Details) (USD $)	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Revenue By Functional Category Disclosure [Line Items]
Total sales	$ 34,017,233	$ 44,640,360
Video Recorder Products [Member]
Revenue By Functional Category Disclosure [Line Items]
Total sales	17,849,266	23,828,900
Tv Tuner Products [Member]
Revenue By Functional Category Disclosure [Line Items]
Total sales	14,689,281	18,546,331
Other Video Products And Software [Member]
Revenue By Functional Category Disclosure [Line Items]
Total sales	$ 1,478,686	$ 2,265,129