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Property and Equipment (Tables)
6 Months Ended
Jun. 30, 2018
Property, Plant and Equipment [Abstract]  
Property and Equipment
Property and equipment consists of the following:
(in thousands)
June 30,
2018
 
December 31,
2017
Property and equipment:

 

Land
$
1,170

 
$
1,170

Buildings and leasehold improvements
2,946

 
2,946

    Machinery and equipment
55,786

 
55,152

Computer hardware and software
4,661

 
4,615

Total property and equipment
64,563

 
63,883

Less accumulated depreciation
(38,899
)
 
(35,518
)
Total property and equipment, net
$
25,664

 
$
28,365