Stock-Based Compensation (Summarized Stock Option Activity) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended		3 Months Ended		12 Months Ended
	Aug. 31, 2013	Aug. 31, 2012	Sep. 30, 2013	Sep. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Stock-Based Compensation [Abstract]
Outstanding, Number of shares, Beginning Balance			2,648,583	2,247,583	2,247,583
Granted under Plan, Number of shares	224,896	431,000
Exercised, Number of shares				(30,000)
Outstanding, Number of shares, Ending Balance			2,873,479	2,648,583	2,648,583	2,247,583
Outstanding, Weighted average exercise price, Beginning Balance			$ 15.15	$ 16.28	$ 16.28
Granted under Plan, Weighted average exercise price	$ 7.35	$ 8.75
Exercised, Weighted average exercise price				$ 7.98
Outstanding, Weighted average exercise price, Ending Balance			$ 14.54	$ 15.15	$ 15.15	$ 16.28
Outstanding, Weighted Average Remaining Contractual Term (in years), Beginning Balance			6 years 22 days	6 years 8 months 27 days	5 years 11 months 23 days	6 years 5 months 5 days
Granted under Plan, Weighted Average Remaining Contractual Term (in years)	10 years	10 years
Outstanding, Weighted Average Remaining Contractual Term (in years), Ending Balance			6 years 22 days	6 years 8 months 27 days	5 years 11 months 23 days	6 years 5 months 5 days
Outstanding, Aggregate Intrinsic Value, Beginning Balance			$ 313	$ 602	$ 602
Granted under Plan, Aggregate Intrinsic Value	568	1,249
Exercised, Aggregate Intrinsic Value				24
Outstanding, Aggregate Intrinsic Value, Ending Balance			4,841	978	313	602
Granted under Plan, Weighted Average Grant Date Fair Value	$ 2.53	$ 2.90
Options exercise price range, lower limit			$ 6.59
Options exercise price range, upper limit			$ 24.46
Vested and expected to vest, Number of shares			2,873,479
Vested and expecting to vest, Weighted average exercise price			$ 14.54
Vested and expecting to vest, Weighted Average Remaining Contractual Term (in years)			6 years 22 days
Vested and expected to vest, Aggregate Intrinsic Value			4,841
Exercisable, Number of Shares			1,985,250
Exercisable, Weighted average exercise price			$ 17.07
Exercisable, Weighted Average Remaining Contractual Term (in years)			5 years 18 days
Exercisable, Aggregate Intrinsic Value			$ 1,963