Intangibles - Amortization of Intangible Assets Acquired (Detail) - USD ($) $ in Thousands |
9 Months Ended | 12 Months Ended |
---|---|---|
Sep. 30, 2015 |
Dec. 31, 2014 |
|
Finite-Lived Intangible Assets [Line Items] | ||
Capitalized patent costs | $ 6,722 | $ 6,183 |
Intangible assets acquired: | ||
Gross intangible assets | 9,992 | 9,453 |
Accumulated amortization | (3,269) | (2,733) |
Intangibles, net | 6,723 | 6,720 |
Purchased patents and intellectual property [Member] | ||
Intangible assets acquired: | ||
Intangible assets amount | 250 | 250 |
Existing technology [Member] | ||
Intangible assets acquired: | ||
Intangible assets amount | 1,560 | 1,560 |
Customer relationships [Member] | ||
Intangible assets acquired: | ||
Intangible assets amount | 290 | 290 |
Backlog [Member] | ||
Intangible assets acquired: | ||
Intangible assets amount | 760 | 760 |
Tradenames [Member] | ||
Intangible assets acquired: | ||
Intangible assets amount | 290 | 290 |
Non-solicitation agreements [Member] | ||
Intangible assets acquired: | ||
Intangible assets amount | $ 120 | $ 120 |