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9. SUBSEQUENT EVENTS	6 Months Ended
	Jun. 30, 2013
Subsequent Events [Abstract]
Subsequent Events	On August 1, 2013, we completed our acquisition of Manhattan Diagnostic Radiology, four multi-modality imaging centers located in New York, New York, for cash consideration of $2.3 million.

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The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

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