| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
| |
|
Three months ended
|
|
|
Six months ended
|
|
| |
|
June 28, 2015
|
|
|
June 29, 2014
|
|
|
June 28, 2015
|
|
|
June 29, 2014
|
|
| Revenues
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Mexico
|
|
$ |
39,155 |
|
|
$ |
38,945 |
|
|
$ |
74,762 |
|
|
$ |
77,702 |
|
| China
|
|
|
12,150 |
|
|
|
15,159 |
|
|
|
21,492 |
|
|
|
30,689 |
|
| U.S.
|
|
|
9,008 |
|
|
|
13,849 |
|
|
|
15,586 |
|
|
|
26,541 |
|
| Total
|
|
$ |
60,313 |
|
|
$ |
67,953 |
|
|
$ |
111,840 |
|
|
$ |
134,932 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Intersegment revenue
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Mexico
|
|
$ |
(105 |
) |
|
$ |
(142 |
) |
|
$ |
(210 |
) |
|
$ |
(507 |
) |
| China
|
|
|
(2,426 |
) |
|
|
(3,758 |
) |
|
|
(5,090 |
) |
|
|
(7,024 |
) |
| U.S.
|
|
|
(41 |
) |
|
|
(6,069 |
) |
|
|
(85 |
) |
|
|
(11,394 |
) |
| Total
|
|
$ |
(2,572 |
) |
|
$ |
(9,969 |
) |
|
$ |
(5,385 |
) |
|
$ |
(18,925 |
) |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Net external revenue
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Mexico
|
|
$ |
39,050 |
|
|
$ |
38,803 |
|
|
$ |
74,552 |
|
|
$ |
77,195 |
|
| China
|
|
|
9,724 |
|
|
|
11,401 |
|
|
|
16,402 |
|
|
|
23,665 |
|
| U.S.
|
|
|
8,967 |
|
|
|
7,780 |
|
|
|
15,501 |
|
|
|
15,147 |
|
| Total segment revenue (which also equals consolidated revenue)
|
|
$ |
57,741 |
|
|
$ |
57,984 |
|
|
$ |
106,455 |
|
|
$ |
116,007 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Site Contribution
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Mexico
|
|
$ |
2,779 |
|
|
$ |
2,016 |
|
|
$ |
5,675 |
|
|
$ |
3,489 |
|
| China
|
|
|
664 |
|
|
|
1,125 |
|
|
|
485 |
|
|
|
1,840 |
|
| U.S.
|
|
|
491 |
|
|
|
874 |
|
|
|
969 |
|
|
|
2,581 |
|
| Total
|
|
$ |
3,934 |
|
|
$ |
4,015 |
|
|
$ |
7,129 |
|
|
$ |
7,910 |
|
| Corporate allocations
|
|
|
3,257 |
|
|
|
3,537 |
|
|
|
6,171 |
|
|
|
7,207 |
|
| Unrealized gain on derivative financial instruments
|
|
|
(789 |
) |
|
|
(851 |
) |
|
|
(471 |
) |
|
|
(1,094 |
) |
| Interest
|
|
|
304 |
|
|
|
473 |
|
|
|
614 |
|
|
|
867 |
|
| Restructuring charges
|
|
|
— |
|
|
|
509 |
|
|
|
— |
|
|
|
1,179 |
|
| Income (loss) before income taxes
|
|
$ |
1,162 |
|
|
$ |
347 |
|
|
$ |
815 |
|
|
$ |
(249 |
) |
| |
|
Three months ended
|
|
|
Six months ended
|
|
| |
|
June 28, 2015
|
|
|
June 29, 2014
|
|
|
June 28, 2015
|
|
|
June 29, 2014
|
|
| Mexico
|
|
$ |
313 |
|
|
$ |
2,105 |
|
|
$ |
396 |
|
|
$ |
2,282 |
|
| China
|
|
|
252 |
|
|
|
39 |
|
|
|
627 |
|
|
|
39 |
|
| U.S.
|
|
|
379 |
|
|
|
57 |
|
|
|
385 |
|
|
|
112 |
|
| Segment total
|
|
|
934 |
|
|
|
2,201 |
|
|
|
1,398 |
|
|
|
2,433 |
|
| Corporate and other
|
|
|
13 |
|
|
|
92 |
|
|
|
39 |
|
|
|
112 |
|
| Total
|
|
$ |
957 |
|
|
$ |
2,293 |
|
|
$ |
1,447 |
|
|
$ |
2,545 |
|
| |
|
Three months ended
|
|
|
Six months ended
|
|
| |
|
June 28, 2015
|
|
|
June 29, 2014
|
|
|
June 28, 2015
|
|
|
June 29, 2014
|
|
| U.S.
|
|
$ |
43,548 |
|
|
$ |
51,048 |
|
|
$ |
79,260 |
|
|
$ |
103,331 |
|
| Canada
|
|
|
13,548 |
|
|
|
5,358 |
|
|
|
25,995 |
|
|
|
9,733 |
|
| Europe
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
284 |
|
| China
|
|
|
645 |
|
|
|
1,578 |
|
|
|
1,200 |
|
|
|
2,655 |
|
| Mexico
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
4 |
|
| Total
|
|
$ |
57,741 |
|
|
$ |
57,984 |
|
|
$ |
106,455 |
|
|
$ |
116,007 |
|
|