Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

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Commitments and Contingencies - Additional Information (Detail)
12 Months Ended
Dec. 31, 2013
USD ($)
Jun. 30, 2014
USD ($)
Apr. 29, 2014
EUR (€)
Apr. 29, 2014
Two Additional First Instance Cases
EUR (€)
Commitment And Contingencies [Line Items]        
Future minimum lease obligations, for the year ended December 31, 2014   $ 379,000    
Future minimum lease obligations, for the year ended December 31, 2015   301,000    
Change in control, if occurs, may require severance benefits payable   451,000    
Purchase commitments pending   11,300,000    
Legal costs paid in connection with class action lawsuits 250,000      
Amount of injunction bond to be posted     € 500,000 € 146,000