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CONCENTRATION OF RISKS (Details) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 Xi'an New Chang'an Medical Investment Co., Ltd. [Member] USD ($)	Dec. 31, 2012 Xi'an New Chang'an Medical Investment Co., Ltd. [Member] CNY	Dec. 31, 2012 Advances to Suppliers [Member] Credit Concentration Risk [Member]	Dec. 31, 2011 Advances to Suppliers [Member] Credit Concentration Risk [Member]	Dec. 31, 2012 Sales Revenues [Member] Customer Concentration Risk [Member]	Dec. 31, 2011 Sales Revenues [Member] Customer Concentration Risk [Member]	Dec. 31, 2010 Sales Revenues [Member] Customer Concentration Risk [Member]	Dec. 31, 2012 Medical Equipment Purchases [Member] Supplier Concentration Risk [Member]	Dec. 31, 2011 Medical Equipment Purchases [Member] Supplier Concentration Risk [Member]	Dec. 31, 2010 Medical Equipment Purchases [Member] Supplier Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk percentage			72.00%	85.00%	23.00%	33.00%	32.00%	73.00%	82.00%	55.00%
Number of entities comprising risk benchmark			5	5	5	5	5	5	5	5
Equity interest in equity method investment	48.00%	48.00%
Loan with related party	$ 16,051	100,000

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Number Of Entities Comprising Risk Benchmark.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The net cash inflow or outflow from the proceeds and repayments made on the long-term borrowing from related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and such forth. Alternate caption: Proceeds from (Payments for) Advances from Affiliates.

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