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Liquidity and Capital Resources (Details) (USD $)	12 Months Ended
Liquidity and Capital Resources (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Liquidity and Capital Resources [Abstract]
Cash and cash equivalents	$ 46,582,000	$ 44,078,000	$ 6,754,000	$ 4,113,000
Total current assets	85,677,000us-gaap_AssetsCurrent	65,389,000us-gaap_AssetsCurrent
Total current liabilities	18,404,000us-gaap_LiabilitiesCurrent	9,608,000us-gaap_LiabilitiesCurrent
Net working capital	67,300,000mdxg_CurrentAssetsandLiabilitiesNet
Net cash flows from operating activities	$ 16,802,000	$ (284,000)	$ (3,332,000)

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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