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PROPERTY AND EQUIPMENT (Tables)
12 Months Ended
Dec. 31, 2020
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property and equipment consists of the following:
DECEMBER 31,
20202019
Medical equipment and facilities$75,657,000 $92,132,000 
Office equipment330,000 594,000 
Construction in progress170,000 1,965,000 
Deposits towards purchase of proton beam systems— 2,250,000 
76,157,000 96,941,000 
Accumulated depreciation(45,739,000)(55,461,000)
Net property and equipment$30,418,000 $41,480,000