Property, Plant and Equipment (Tables)

3 Months Ended

Mar. 30, 2019

Property, Plant and Equipment [Abstract]

Summary of property, plant, and equipment

A summary of property, plant, and equipment as of March 30, 2019 and December 31, 2018, is as follows:

(in thousands)	March 30, 2019		December 31, 2018
Manufacturing equipment	$	28,866	$	25,314
Research and development equipment	7,111		6,088
Leasehold improvements	7,166		7,080
Capital leases	883		882
Software	125		60
Furniture and fixtures	203		195
Vehicles	210		210
Assets not yet placed in service	1,877		3,374
Total property, plant and equipment	$	46,441	$	43,203
Less: accumulated depreciation and amortization	14,580		12,676
Property, plant and equipment, net	$	31,861	$	30,527