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STOCK BASED COMPENSATION PLANS - Company nonvested common shares (Details 5) - $ / shares
3 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Shares      
Nonvested, Beginning balance 121,102 128,498 18,604
Granted 131,558
Vested (7,396) (21,664)
Nonvested, Ending balance 121,102 121,102 128,498
Weighted-Average Grant-Date Fair Value      
Nonvested, Beginning balance $ 2.94 $ 2.97 $ 1.88
Granted 3.04
Vested $ 3.38 2.70
Nonvested, Ending balance $ 2.94 $ 2.94 $ 2.97