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CREDIT FACILITIES - Contractual Principal Payments (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2009
Debt Instrument [Line Items]      
2017 $ 987    
2018 1,529    
2019 [1] 857    
2020 857    
2022 and thereafter 11,055    
Total debt, net 15,010 $ 19,640  
Long-term Debt, Gross 15,285 19,869  
Revolving Credit Facility      
Debt Instrument [Line Items]      
Total debt, net 8,800    
Long-term Debt, Gross $ 8,769 $ 3,961  
Albuquerque Mortgage Loan | Credit Agreement 2013      
Debt Instrument [Line Items]      
Balloon payment     $ 1,800
[1] Includes Revolver balance of $8.8 million at September 30, 2017, maturing on May 5, 2022.