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STOCK-BASED COMPENSATION - Summary of Restricted Stock Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Wgtd. Avg. Grant Date Fair Value    
Granted (in shares) 57,500 60,000
Vested | Restricted Stock Units (RSUs) [Member]    
Number of Non-vested Shares    
Outstanding, beginning of period (in shares) 112,809 0
Granted (in shares) 155,190 112,809
Vested (in shares) 0 0
Forfeited (in shares) 0 0
Outstanding, end of period (in shares) 267,999 112,809
Wgtd. Avg. Grant Date Fair Value    
Outstanding, beginning of period (in dollars per share) $ 4.64 $ 0.00
Granted (in dollars per share) 3.58 4.64
Vested (in dollars per share) 0.00 0.00
Forfeited (in dollars per share) 0.00 0.00
Outstanding, end of period (in dollars per share) $ 4.03 $ 4.64
Non-vested | Restricted Stock Units (RSUs) [Member]    
For non-vested shares    
Expense not yet recognized (000s) $ 329 $ 376
Weighted average remaining years for vesting 2 years 15 days 2 years 1 month 10 days
Non-vested | Restricted Stock    
Number of Non-vested Shares    
Outstanding, beginning of period (in shares) 115,950 54,960
Granted (in shares) 39,576 74,640
Vested (in shares) (31,559) (13,310)
Shares withheld for payment of taxes upon vesting of restricted stock (in shares) (1,825) (340)
Forfeited (in shares) 12,447 0
Outstanding, end of period (in shares) 109,695 115,950
Wgtd. Avg. Grant Date Fair Value    
Outstanding, beginning of period (in dollars per share) $ 4.16 $ 4.23
Granted (in dollars per share) 3.79 4.12
Vested (in dollars per share) 4.25 4.23
Shares withheld for payment of taxes upon vesting of restricted stock (in dollars per share) 4.27 4.25
Forfeited (in dollars per share) 4.03 3.91
Outstanding, end of period (in dollars per share) $ 4.01 $ 4.16
For non-vested shares    
Expense not yet recognized (000s) $ 328 $ 385
Weighted average remaining years for vesting 1 year 8 months 20 days 2 years 3 months
For shares vested    
Aggregate fair value on vesting dates (000s) $ 123 $ 53