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PROPERTY AND EQUIPMENT (Tables)
12 Months Ended
Dec. 31, 2019
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property and equipment consists of the following:
DECEMBER 31,
20192018
Medical equipment and facilities$92,132,000  $94,031,000  
Office equipment594,000  589,000  
Deposits and construction in progress1,965,000  3,832,000  
Deposits towards purchase of proton beam systems2,250,000  2,250,000  
96,941,000  100,702,000  
Accumulated depreciation(55,461,000) (54,008,000) 
Net property and equipment$41,480,000  $46,694,000