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Fair Value Measurements Fair value hierarchy the Company’s financial assets and liabilities (Details) (USD $) | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Acquisition-related contingent consideration | $ 9,450,000 | $ 7,550,000
Fair Value, Inputs, Level 1 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Warrant Derivative Liabilities | 0 | 0
Contingent Consideration Classified As Equity Fair Value Disclosure | 0 | 0
Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Warrant Derivative Liabilities | 0 | 0
Contingent Consideration Classified As Equity Fair Value Disclosure | 0 | 0
Fair Value, Inputs, Level 3 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Warrant Derivative Liabilities | 23,200 | 101,200
Contingent Consideration Classified As Equity Fair Value Disclosure | $ 9,450,000 | $ 7,550,000

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- Definition Portion of balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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