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STOCK-BASED COMPENSATION - Summary of Restricted Stock Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Wgtd. Avg. Grant Date Fair Value    
Granted (in shares) 120,000 57,500
Restricted Stock Units (RSUs) [Member]    
Number of Non-vested Shares    
Outstanding, beginning of period (in shares) 267,999  
Granted (in shares) 102,864 155,190
Vested (in shares) 0 0
Forfeited (in shares) (200,371) 0
Outstanding, end of period (in shares) 170,492 267,999
Wgtd. Avg. Grant Date Fair Value    
Outstanding, beginning of period (in dollars per share) $ 4.03  
Granted (in dollars per share) 4.28 $ 3.58
Vested (in dollars per share) 0.00 0.00
Forfeited (in dollars per share) 4.22 0.00
Outstanding, end of period (in dollars per share) $ 3.96 $ 4.03
Vested | Restricted Stock Units (RSUs) [Member]    
Number of Non-vested Shares    
Outstanding, beginning of period (in shares) 267,999 112,809
Outstanding, end of period (in shares)   267,999
Wgtd. Avg. Grant Date Fair Value    
Outstanding, beginning of period (in dollars per share) $ 4.03 $ 4.64
Outstanding, end of period (in dollars per share)   $ 4.03
Non-vested | Restricted Stock Units (RSUs) [Member]    
For non-vested shares    
Expense not yet recognized (000s) $ 352 $ 329
Weighted average remaining years for vesting 2 years 3 months 22 days 2 years
Non-vested | Restricted Stock    
Number of Non-vested Shares    
Outstanding, beginning of period (in shares) 109,695 115,950
Granted (in shares) 44,878 39,576
Vested (in shares) (40,107) (31,559)
Shares withheld for payment of taxes upon vesting of restricted stock (in shares) (1,743) (1,825)
Forfeited (in shares) 9,490 (12,447)
Outstanding, end of period (in shares) 103,233 109,695
Wgtd. Avg. Grant Date Fair Value    
Outstanding, beginning of period (in dollars per share) $ 4.01 $ 4.16
Granted (in dollars per share) 4.29 3.79
Vested (in dollars per share) 4.11 4.25
Shares withheld for payment of taxes upon vesting of restricted stock (in dollars per share) 3.70 4.27
Forfeited (in dollars per share) 4.20 4.03
Outstanding, end of period (in dollars per share) $ 4.08 $ 4.01
For non-vested shares    
Expense not yet recognized (000s) $ 315 $ 328
Weighted average remaining years for vesting 1 year 8 months 12 days 1 year 8 months 20 days
For shares vested    
Aggregate fair value on vesting dates (000s) $ 187 $ 123