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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2018
USD ($)
segment
item
Dec. 31, 2017
USD ($)
Jan. 01, 2019
USD ($)
Significant Accounting Policies [Line Items]      
Property, plant and equipment, depreciation methods Depreciation and amortization are calculated using the straight-line method over the estimated useful lives of the assets.    
Number of reporting units | item 1    
Number of operating segments | segment 1    
Tax at federal statutory rate 21.00% 35.00%  
Cash and cash equivalents in excess of FDIC insurance $ 2,000    
Advertising expense 509 $ 509  
Reclassification of gains recognized in net income (loss) $ 0 5  
Reclassification of gains recognized in net income (loss), Tax   2  
Reclassification for stranded tax effects resulting from new federal corporate income tax rate   $ 226  
Land Improvements [Member]      
Significant Accounting Policies [Line Items]      
Property, plant and equipment, useful life 15 years    
Accounting Standards Update 2016-02 [Member] | Scenario, Adjustment [Member]      
Significant Accounting Policies [Line Items]      
Right-of-use asset     $ 3,800
Operating lease liability     $ 3,800
Minimum [Member] | Furniture, Fixtures and Equipment [Member]      
Significant Accounting Policies [Line Items]      
Property, plant and equipment, useful life 3 years    
Minimum [Member] | Computer Hardware and Data Handling Equipment [Member]      
Significant Accounting Policies [Line Items]      
Property, plant and equipment, useful life 3 years    
Minimum [Member] | Building and Building Improvements [Member]      
Significant Accounting Policies [Line Items]      
Property, plant and equipment, useful life 10 years    
Maximum [Member] | Furniture, Fixtures and Equipment [Member]      
Significant Accounting Policies [Line Items]      
Property, plant and equipment, useful life 10 years    
Maximum [Member] | Computer Hardware and Data Handling Equipment [Member]      
Significant Accounting Policies [Line Items]      
Property, plant and equipment, useful life 5 years    
Maximum [Member] | Building and Building Improvements [Member]      
Significant Accounting Policies [Line Items]      
Property, plant and equipment, useful life 40 years