Acquisition (Details) (USD $)					0 Months Ended	3 Months Ended	12 Months Ended	0 Months Ended
	Jun. 30, 2014	Sep. 30, 2013	Jun. 30, 2013	Sep. 30, 2012	Oct. 31, 2012 Etherios [Member]	Sep. 30, 2013 Etherios [Member]	Sep. 30, 2013 Etherios [Member]	Oct. 31, 2012 Maximum [Member] Etherios [Member]	Oct. 31, 2012 Common Stock [Member] Etherios [Member]
Business Acquisition [Line Items]
Total purchase price					$ 20,400,000
Cash, including cash in escrow					13,700,000
Cash acquired					800,000
Common stock					6,700,000
Number of shares									715,571
Common stock issued per common share									9.42
Amount in escrow					2,350,000
Escrow holdback					300,000
Escrow cash					2,050,000
Escrow cash period								18 months
Common stock purchase accounting adjustment						100,000
Net tangible assets purchase accounting adjustment						300,000
Goodwill purchase accounting adjustment						200,000
Goodwill	104,329,000	103,569,000	102,611,000	86,209,000		17,300,000	17,300,000
Acquisition related costs							$ 200,000