XML 47 R21.htm IDEA: XBRL DOCUMENT v3.2.0.727
Nature of Operations and Summary of Significant Accounting Policies - Potentially Dilutive Common Shares (Detail) - shares
3 Months Ended 9 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Total potentially dilutive common shares outstanding 2,618,761 3,835,080 2,725,101 3,835,080
Restricted stock units [Member]        
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Total potentially dilutive common shares outstanding 330,684 1,212,292 408,869 1,212,292
Warrants [Member]        
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Total potentially dilutive common shares outstanding   6,667   6,667
Stock options [Member]        
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Total potentially dilutive common shares outstanding 2,288,077 2,616,121 2,316,232 2,616,121