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Net Income (Loss) per Common Share (Details) - shares
3 Months Ended 9 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Earnings Per Share [Abstract]        
Weighted-average shares outstanding - basic 12,270,900 11,144,262 12,264,622 9,924,190
Effect of potentially dilutive securities        
Stock options 91,004 259,489 0 0
Restricted stock grants 182,097 131,200 0 0
Weighted-average shares outstanding - diluted 12,544,001 11,534,951 12,264,622 9,924,190
Excluded from diluted weighted-average shares outstanding: Antidilutive 306,596 39,008 760,564 701,867