Discontinued Operations - Summary of Loss From Discontinued Operations (Detail) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Discontinued Operations And Disposal Groups [Abstract] | |||||||||||
| Net revenues | $ 18,432 | $ 16,917 | $ 15,251 | ||||||||
| Cost of sales | 16,027 | 16,102 | 14,512 | ||||||||
| Research and development costs | 464 | 459 | 604 | ||||||||
| Selling, general and administrative expenses | 1,546 | 1,894 | 1,627 | ||||||||
| Interest expense | 345 | 373 | 445 | ||||||||
| Other income | 9 | ||||||||||
| Income (Loss) from discontinued operations before income taxes | 59 | (1,911) | (1,937) | ||||||||
| Loss from operations of discontinued operations, including loss on disposal | (2,142) | ||||||||||
| Total loss on discontinued operations before income taxes | (2,083) | (1,911) | (1,937) | ||||||||
| Income tax (benefit) related to discontinued operations | (743) | (776) | (813) | ||||||||
| Loss on discontinued operations | $ (1,639) | $ 254 | $ 38 | $ 7 | $ (210) | $ 7 | $ (530) | $ (402) | $ (1,340) | $ (1,135) | $ (1,124) |