Annual report pursuant to Section 13 and 15(d)

Acquisitions - Summary of Estimated Fair Values of Separately Identifiable Assets Acquired and Liabilities Assumed (Detail)

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Acquisitions - Summary of Estimated Fair Values of Separately Identifiable Assets Acquired and Liabilities Assumed (Detail) (USD $)
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Jan. 17, 2012
SymbioTec GmbH [Member]
Business Acquisition [Line Items]        
Intangible asset       $ 9,579,660
Property and equipment       53,286
Trade and other receivables       51,627
Cash and cash equivalents       (349)
Trade and other payables       (312,301)
Deferred tax liability       (3,024,778)
Total identifiable net assets       6,347,145
Goodwill 3,665,199 3,592,073    3,402,923
Total       $ 9,750,068