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COMMITMENTS AND CONTINGENCIES (Details)
 12 Months Ended
Dec. 31, 2017
USD ($)
item
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2018
USD ($)
Pension expense $ 275,000 $ 273,000 $ 266,000  
Annual fixed leasehold rent for next five years 371,094      
Annual fixed leasehold rent thereafter through March 3, 2020 $ 463,867      
Number of 5-year extension options | item 5      
Lease extension period for the first five renewal options 5 years      
Number of seven month extension options | item 1      
Lease extension period for the last renewal option 7 months      
Building located In Hauppauge, New York        
Contractual obligation $ 3,584,000     $ 7,800,000
Regal Cinemas In Greensboro, North Carolina        
Contractual obligation $ 3,000,000