Equity (Other Disclosures) (Details) (USD $)	0 Months Ended		1 Months Ended			0 Months Ended	6 Months Ended
	Sep. 18, 2013	Oct. 03, 2012	Aug. 31, 2012	Mar. 31, 2014 plans	Aug. 23, 2012	Mar. 05, 2014 2012 Equity Plan	Mar. 31, 2014 Employee stock purchase plan	Mar. 05, 2014 Employee stock purchase plan
Equity [Abstract]
Shelf registration, registered amount			$ 50,000,000
Shelf registration, effective period					3 years
Common stock issued to underwriters (in shares)	2,875,000	1,832,410
Proceeds from issuance of common stock	11,700,000	9,500,000
Number of equity incentive compensation plans maintained by the company				3
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Increase in total number of shares available for grant						1,000,000
Total number of shares authorized						2,000,000
Employee stock purchase plan (ESPP), biannual plan duration							6 months
Employee stock purchase plan (ESPP), employee purchase price percentage							85.00%
Employee stock purchase plan (ESPP), annual employee contribution limit percentage							10.00%
Accelerated compensation cost							$ 25,000
Employee stock purchase plan ESPP, total shares								3,250,000