|
Summary of Operations by Geographic Area (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2013
|
Sep. 30, 2013
|
Jun. 30, 2013
|
Mar. 31, 2013
|
Dec. 31, 2012
|
Sep. 30, 2012
|
Jun. 30, 2012
|
Mar. 31, 2012
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
| Segment Reporting Information [Line Items] | |||||||||||
| Net sales to external customers | $ 19,875 | $ 33,101 | $ 35,565 | $ 25,397 | $ 20,674 | $ 34,484 | $ 34,115 | $ 24,248 | $ 113,938 | $ 113,521 | $ 108,195 |
| Operating income (loss) | 62 | (2,133) | (544) | ||||||||
| Assets | 46,244 | 49,659 | 46,244 | 49,659 | |||||||
|
UNITED STATES
|
|||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Net sales to external customers | 87,504 | 85,374 | 81,856 | ||||||||
| Operating income (loss) | 1,085 | (459) | 7 | ||||||||
| Assets | 36,339 | 38,341 | 36,339 | 38,341 | 35,317 | ||||||
|
CANADA
|
|||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Net sales to external customers | 26,434 | 28,147 | 26,339 | ||||||||
| Operating income (loss) | (1,122) | (1,607) | (582) | ||||||||
| Assets | 9,554 | 11,009 | 9,554 | 11,009 | 11,630 | ||||||
|
Other Countries
|
|||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Operating income (loss) | 99 | (67) | 31 | ||||||||
| Assets | $ 351 | $ 309 | $ 351 | $ 309 | $ 789 | ||||||