Stock-Based Compensation (Details) (USD $)	1 Months Ended	3 Months Ended		6 Months Ended			6 Months Ended					0 Months Ended	6 Months Ended
	Jan. 31, 2013	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012	Jun. 30, 2008	Mar. 31, 2013 Vesting over six month	Mar. 31, 2013 Vesting over 12 month	Mar. 31, 2013 Vesting over 18 month	Mar. 31, 2013 RSU	Mar. 31, 2013 RSU Chief Financial Officer item	Mar. 06, 2013 RSU Board of Directors	Mar. 31, 2013 RSU Board of Directors item
Stock-based Compensation
Awards issued to number of persons													2
Awards grant entitlement as percentage of fully diluted shares						1.20%
Vesting rights percentage upon completion of the IPO											66.67%
Percentage of awards settled in shares of common stock											33.33%
Number of awards that will be settled in shares in of common stock over vesting period											89,221
Settlement percentage of awards in shares of common stock											100.00%
Number of equal parts over which awards vest											3
Vesting period							6 months	12 months	18 months				12 months
Number of shares issued	29,740
Common stock value equivalent to which awards granted													$ 50,000
Awards granted (in shares)												2,428
Grant date fair value (in dollars per share)										$ 3.53		$ 20.59
Total stock based compensation expense before income taxes (in dollars)		26,000	0	46,000	0
Unrecognized stock-based compensation expense (in dollars)										$ 125,000
Non-vested awards (in shares)										67,161
Weighted average period over which unrecognized compensation expense is to be recognized										1 year