Segment Reporting - Schedule of Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 26, 2015	Sep. 30, 2016	Sep. 26, 2015	Dec. 31, 2015
Segment Reporting Information [Line Items]
Net sales to external customers	$ 79,600	$ 72,507	$ 233,886	$ 226,221
Depreciation and amortization	3,381	2,790	9,733	8,022
Operating (loss) income	841	(922)	9,668	6,358
Long-lived assets	96,447	76,507	96,447	76,507
Capital expenditures	2,692	2,389	5,272	8,462
Total assets	430,602	423,056	430,602	423,056	$ 409,186
Americas Region
Segment Reporting Information [Line Items]
Net sales to external customers	37,032	33,666	103,875	103,024
Depreciation and amortization	1,719	1,726	5,222	4,865
Operating (loss) income	(1,064)	628	(1,353)	(429)
Long-lived assets	67,879	48,672	67,879	48,672
Capital expenditures	1,199	1,377	1,984	5,412
Total assets	204,894	222,787	204,894	222,787
Europe/Africa Region
Segment Reporting Information [Line Items]
Net sales to external customers	23,114	22,460	72,540	71,170
Depreciation and amortization	1,222	756	3,280	2,161
Operating (loss) income	(2,143)	(5,065)	(1,201)	(5,432)
Long-lived assets	25,857	25,232	25,857	25,232
Capital expenditures	1,338	817	2,760	2,489
Total assets	136,913	126,338	136,913	126,338
Asia-Pacific Region
Segment Reporting Information [Line Items]
Net sales to external customers	19,454	16,381	57,471	52,027
Depreciation and amortization	440	308	1,231	996
Operating (loss) income	4,048	3,515	12,222	12,219
Long-lived assets	2,711	2,603	2,711	2,603
Capital expenditures	155	195	528	561
Total assets	$ 88,795	$ 73,931	$ 88,795	$ 73,931