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STOCKHOLDERS' EQUITY (Summary of Shares Issued to Officers) (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
May 31, 2016
executive
$ / shares
shares
Oct. 27, 2015
executive
$ / shares
shares
Jul. 22, 2014
executive
$ / shares
shares
Jun. 05, 2013
executive
$ / shares
shares
Sep. 30, 2017
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2017
USD ($)
Sep. 30, 2016
USD ($)
Feb. 11, 2011
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share price, average of high and low price (usd per share)                 $ 5.175
June 5, 2013 Grants                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Number of key executives to receive awards | executive       6          
Shares awarded (in shares) | shares       54,337          
Share price, average of high and low price (usd per share)       $ 5.55          
Expense recorded | $         $ 0 $ 0 $ 0 $ 7  
July 22, 2014 Grants                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Number of key executives to receive awards | executive     10            
Shares awarded (in shares) | shares     105,189            
Share price, average of high and low price (usd per share)     $ 5.90            
Expense recorded | $         6 16 22 65  
Oct 27 2015 Grants                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Number of key executives to receive awards | executive   1              
Shares awarded (in shares) | shares   4,429              
Share price, average of high and low price (usd per share)   $ 2.19              
Expense recorded | $         0 1 5 2  
Oct 27 2015 Grants B                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Number of key executives to receive awards | executive   1              
Shares awarded (in shares) | shares   10,871              
Share price, average of high and low price (usd per share)   $ 2.19              
Expense recorded | $         2 2 4 7  
May 31 2016 Grants                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Number of key executives to receive awards | executive 1                
Shares awarded (in shares) | shares 102,301                
Share price, average of high and low price (usd per share) $ 0.92                
Expense recorded | $         $ 8 $ 8 $ 16 $ 13