| Schedule of Condensed Balance Sheet [Table Text Block] |
|
|
|
March
31,
2013
|
|
|
December
30,
2012
|
|
|
Accounts
receivable
|
|
$
|
40,133
|
|
|
$
|
36,506
|
|
|
Allowance
for doubtful accounts
|
|
|
(135
|
)
|
|
|
(205
|
)
|
|
Accounts
receivable—net
|
|
$
|
39,998
|
|
|
$
|
36,301
|
|
|
|
|
March
31,
2013
|
|
|
December
30,
2012
|
|
|
Raw
materials
|
|
$
|
35,598
|
|
|
$
|
39,714
|
|
|
Work
in process
|
|
|
14,153
|
|
|
|
9,717
|
|
|
Finished
goods
|
|
|
7,542
|
|
|
|
3,894
|
|
|
Parts
|
|
|
1,501
|
|
|
|
1,481
|
|
|
Inventories
|
|
$
|
58,794
|
|
|
$
|
54,806
|
|
|
|
|
March
31,
2013
|
|
|
December
30,
2012
|
|
|
Cost:
|
|
|
|
|
|
|
|
Land
|
|
$
|
1,648
|
|
|
$
|
1,648
|
|
|
Buildings
|
|
|
9,878
|
|
|
|
9,878
|
|
|
Machinery
and equipment (a)
|
|
|
41,714
|
|
|
|
41,050
|
|
|
Office
furniture and equipment
|
|
|
2,799
|
|
|
|
2,770
|
|
|
Computer
hardware and software (b)
|
|
|
10,404
|
|
|
|
10,226
|
|
|
Leasehold
improvements (c)
|
|
|
3,990
|
|
|
|
3,967
|
|
|
|
|
|
70,433
|
|
|
|
69,539
|
|
|
|
|
|
|
|
|
|
|
|
|
Less
accumulated depreciation:
|
|
|
|
|
|
|
|
|
|
Land
|
|
|
—
|
|
|
|
—
|
|
|
Buildings
|
|
|
(6,428
|
)
|
|
|
(6,303
|
)
|
|
Machinery
and equipment (a)
|
|
|
(29,551
|
)
|
|
|
(28,931
|
)
|
|
Office
furniture and equipment
|
|
|
(2,443
|
)
|
|
|
(2,414
|
)
|
|
Computer
hardware and software (b)
|
|
|
(9,436
|
)
|
|
|
(9,342
|
)
|
|
Leasehold
improvements (c)
|
|
|
(3,180
|
)
|
|
|
(3,139
|
)
|
|
|
|
|
(51,038
|
)
|
|
|
(50,129
|
)
|
|
Property,
plant and equipment—net
|
|
$
|
19,395
|
|
|
$
|
19,410
|
|
|
|
|
March
31,
2013
|
|
|
December
30,
2012
|
|
|
Deferred
financing costs
|
|
$
|
1,396
|
|
|
$
|
1,396
|
|
|
Accumulated
amortization
|
|
|
(923
|
)
|
|
|
(832
|
)
|
|
|
|
$
|
473
|
|
|
$
|
564
|
|
|
|
|
March
31,
2013
|
|
|
December
30,
2012
|
|
|
Customer
related
|
|
$
|
1,782
|
|
|
$
|
1,374
|
|
|
Payroll
|
|
|
3,891
|
|
|
|
3,968
|
|
|
Professional
services
|
|
|
631
|
|
|
|
597
|
|
|
Restructuring
(note 9)
|
|
|
1,704
|
|
|
|
1,727
|
|
|
Vendor
related
|
|
|
—
|
|
|
|
95
|
|
|
Miscellaneous
taxes
|
|
|
143
|
|
|
|
45
|
|
|
Acquisition
related
|
|
|
494
|
|
|
|
785
|
|
|
Other
|
|
|
124
|
|
|
|
629
|
|
|
Accrued
liabilities
|
|
$
|
8,769
|
|
|
$
|
9,220
|
|
|