PROPERTY AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

Property and equipment consists of the following:

	DECEMBER 31,
	2017		2016
Medical equipment and facilities	$	95,923,000	$	96,270,000
Office equipment		576,000		537,000
Deposits and construction in progress		1,658,000		6,073,000
Deposits towards purchase of proton beam systems		2,000,000		2,000,000
		100,157,000		104,880,000
Accumulated depreciation		(51,666,000)		(53,549,000)
Net property and equipment	$	48,491,000	$	51,331,000