Segment and Enterprise-Wide Disclosures - Net Sales to Unaffiliated Customers by Geography (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
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Jun. 30, 2013
|
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Segment Reporting Information [Line Items] | ||||
Net sales | $ 18,161 | $ 15,951 | $ 34,915 | $ 31,333 |
United States [Member]
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Segment Reporting Information [Line Items] | ||||
Net sales | 10,615 | 9,579 | 20,616 | 19,314 |
Germany [Member]
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Segment Reporting Information [Line Items] | ||||
Net sales | 1,882 | 1,802 | 3,762 | 3,361 |
Japan [Member]
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Segment Reporting Information [Line Items] | ||||
Net sales | 567 | 610 | 1,123 | 1,169 |
Other Countries [Member]
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Segment Reporting Information [Line Items] | ||||
Net sales | $ 5,097 | $ 3,960 | $ 9,414 | $ 7,489 |