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Goodwill and Other Intangible Assets - Changes in Goodwill (Detail) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Balance as of December 31, 2012 | $ 1,983,426 |
Net deferred tax liability | 293,000 | 364,000
Foreign currency translation | 38,053 |
Balance as of December 31, 2013 | 2,139,294 |
In-process research and development [Member] |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Net deferred tax liability | $ 117,815 |

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- Definition Amount of deferred tax liability attributable to taxable temporary differences net of deferred tax asset attributable to deductible temporary differences and carryforwards after valuation allowances. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e31931-109318 + Details
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