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OTHER ASSETS (Details Narrative)
$ in Thousands
Jan. 31, 2012
USD ($)
Number
Dec. 31, 2011
USD ($)
Number
Jun. 30, 2019
USD ($)
Dec. 31, 2018
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Other current assets     $ 600  
Right of use assets     $ 1,900 $ 2,200
Notes Receivable - Developer [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Principal amount $ 300 $ 300    
Number of promissory notes | Number 2 2    
Accrued interest rate (in percent) 4.50% 4.50%