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11. STOCK-BASED COMPENSATION (Tables)
12 Months Ended
Sep. 30, 2018
Stock-based Compensation  
Stock option activity
    Number of shares     Weighted-average exercise price     Weighted-average remaining contractual term(in years)     Aggregate intrinsic value (in thousands)  
Outstanding at September 30, 2016     40,000     $ 2.00                  
Granted     313,300       6.08                  
Exercised     (1,500 )     -                  
Forfeited     (18,500 )     -                  
Outstanding at September 30, 2017     333,300       5.83                  
Granted     235,000       4.67                  
Exercised     -       -                  
Forfeited     (98,650 )     6.38                  
Outstanding at September 30, 2018     469,650     $ 5.13       6.9     $  
                                 
Exercisable at September 30, 2018     337,150     $ 5.22       6.4     $