Business Combination - Pro forma Acquisition Information (Detail) (Estech [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012
Estech [Member]
Business Acquisition Pro Forma Information [Line Items]
Revenue	$ 93,846	$ 81,954
Net loss	$ (21,161)	$ (19,031)
Basic and diluted net loss per share	$ (0.91)	$ (1.04)

Business Acquisition Proforma Basic And Diluted Earnings Per Share

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- Details

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

+ Details

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