| Restructuring Charges - Schedule of Restructuring Charges (Detail) - Symbio Tec Gmbh [Member] | 12 Months Ended | 
|---|---|
| Dec. 31, 2012  USD ($) | |
| Restructuring Cost and Reserve [Line Items] | |
| Restructuring Charges | $ 112,000 | 
| Facility Closing [Member] | |
| Restructuring Cost and Reserve [Line Items] | |
| Restructuring Charges | 13,000 | 
| Employee Severance [Member] | |
| Restructuring Cost and Reserve [Line Items] | |
| Restructuring Charges | $ 99,000 | 
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