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PROPERTY AND EQUIPMENT (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 104,880,000	$ 94,784,000
Accumulated depreciation	(53,549,000)	(47,661,000)
Net property and equipment	51,331,000	47,123,000
Medical Equipment and Facilities [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	96,270,000	83,267,000
Accumulated depreciation	(16,642,000)	(13,417,000)
Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	537,000	721,000
Deposits and Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	6,073,000	5,796,000
Deposits Towards Purchase of Proton Beam Systems [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 2,000,000	$ 5,000,000

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
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-Section S99
-Paragraph 1
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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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+ References

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