XML 54 R53.htm IDEA: XBRL DOCUMENT v3.3.0.814
Stock-Based Compensation (Stock Options Outstanding) (Details) - Stock Options - USD ($)
12 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Jun. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number Outstanding 1,627,477 1,063,324   1,059,567 891,293
Remaining Contractual Life (in years) 6 years 25 days        
Average Exercise Price $ 9.11 $ 7.37 $ 7.37 $ 6.71 $ 9.37
Aggregate Intrinsic Value $ 238,000        
Number Outstanding - Vested and expected to vest 1,624,545        
Remaining Contractual Life - Vested and expected to vest 6 years 25 days        
Average Exercise Price - Vested and expected to vest $ 9.11        
Aggregate Intrinsic Value - Vested and expected to vest $ 238,000        
Exercisable at end of period (in shares) 1,002,421   674,237 874,591  
Exercisable at end of period, weighted average exercise price (usd per share) $ 9.74   $ 8.18 $ 7.13  
Aggregate intrinsic value $ 149,629        
2.95-3.30          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number Outstanding 165,310        
Remaining Contractual Life (in years) 7 years 1 month        
Average Exercise Price $ 2.96        
Exercisable at end of period (in shares) 99,968        
Exercisable at end of period, weighted average exercise price (usd per share) $ 2.97        
2.95-3.30 | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Average Exercise Price 3.30        
2.95-3.30 | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Average Exercise Price $ 2.95        
3.80-7.00          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number Outstanding 143,402        
Remaining Contractual Life (in years) 3 years 5 months 10 days        
Average Exercise Price $ 5.69        
Exercisable at end of period (in shares) 143,402        
Exercisable at end of period, weighted average exercise price (usd per share) $ 5.69        
3.80-7.00 | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Average Exercise Price 7        
3.80-7.00 | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Average Exercise Price $ 3.80        
7.01-7.14          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number Outstanding 269,106        
Remaining Contractual Life (in years) 8 years 2 months 27 days        
Average Exercise Price $ 7.01        
Exercisable at end of period (in shares) 81,327        
Exercisable at end of period, weighted average exercise price (usd per share) $ 7.01        
7.01-7.14 | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Average Exercise Price 7.14        
7.01-7.14 | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Average Exercise Price $ 7.01        
7.15-7.87          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number Outstanding 60,223        
Remaining Contractual Life (in years) 5 years 6 months 10 days        
Average Exercise Price $ 7.60        
Exercisable at end of period (in shares) 23,144        
Exercisable at end of period, weighted average exercise price (usd per share) $ 7.15        
7.15-7.87 | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Average Exercise Price 7.87        
7.15-7.87 | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Average Exercise Price $ 7.15        
7.88-8.00          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number Outstanding 246,806        
Remaining Contractual Life (in years) 6 years 2 months 27 days        
Average Exercise Price $ 7.98        
Exercisable at end of period (in shares) 246,806        
Exercisable at end of period, weighted average exercise price (usd per share) $ 7.98        
7.88-8.00 | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Average Exercise Price 8.00        
7.88-8.00 | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Average Exercise Price $ 7.88        
8.01-9.94          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number Outstanding 99,338        
Remaining Contractual Life (in years) 6 years 5 months        
Average Exercise Price $ 8.93        
Exercisable at end of period (in shares) 43,566        
Exercisable at end of period, weighted average exercise price (usd per share) $ 9.42        
8.01-9.94 | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Average Exercise Price 9.94        
8.01-9.94 | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Average Exercise Price $ 8.01        
9.95-10.49          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number Outstanding 282,500        
Remaining Contractual Life (in years) 9 years 27 days        
Average Exercise Price $ 9.98        
Exercisable at end of period (in shares) 6,000        
Exercisable at end of period, weighted average exercise price (usd per share) $ 9.98        
9.95-10.49 | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Average Exercise Price 10.49        
9.95-10.49 | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Average Exercise Price $ 9.95        
10.50-15.23          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number Outstanding 184,041        
Remaining Contractual Life (in years) 2 years 8 months        
Average Exercise Price $ 11.80        
Exercisable at end of period (in shares) 181,457        
Exercisable at end of period, weighted average exercise price (usd per share) $ 11.81        
10.50-15.23 | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Average Exercise Price 15,230.00        
10.50-15.23 | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Average Exercise Price $ 10,500.00        
15.24-22.26          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number Outstanding 161,489        
Remaining Contractual Life (in years) 3 years 25 days        
Average Exercise Price $ 18.00        
Exercisable at end of period (in shares) 161,489        
Exercisable at end of period, weighted average exercise price (usd per share) $ 18.00        
15.24-22.26 | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Average Exercise Price 22.26        
15.24-22.26 | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Average Exercise Price $ 15.24        
27.47-25.00          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number Outstanding 15,262        
Remaining Contractual Life (in years) 2 years 6 months        
Average Exercise Price $ 27.47        
Exercisable at end of period (in shares) 15,262        
Exercisable at end of period, weighted average exercise price (usd per share) $ 27.47        
27.47-25.00 | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Average Exercise Price 25.00        
27.47-25.00 | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Average Exercise Price $ 27.47