PROPERTY AND EQUIPMENT (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Property and equipment	$ 94,901,000	$ 88,603,000
Accumulated depreciation	(41,224,000)	(35,336,000)
Net property and equipment	53,677,000	53,267,000
Medical Equipment and Facilities [Member]
Property and equipment	84,453,000	80,647,000
Accumulated depreciation	(18,173,000)	(15,122,000)
Office Equipment [Member]
Property and equipment	694,000	692,000
Deposits and Construction in Progress [Member]
Property and equipment	6,754,000	4,764,000
Deposits Towards Purchase of Proton Beam Systems [Member]
Property and equipment	$ 3,000,000	$ 2,500,000

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived 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, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived 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, furniture and fixtures, and computer equipment.

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