v3.7.0.1
Summary of Significant Accounting Policies Property plant & equipment (Tables)
 12 Months Ended
Dec. 31, 2016
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
 
Estimated
Useful Life
 
 
 
 
 
(Years)
 
2016
 
2015
Land
n/a
 
$
1,044

 
$
896

Buildings
25
 
1,846

 
1,791

Leasehold improvements
3-10
 
5,429

 
5,271

Machinery and equipment
2-10
 
142,244

 
109,852

Computer equipment and software
3
 
34,156

 
23,161

Furniture and fixtures
8
 
1,427

 
1,470

Construction in process
 
 
7,995

 
11,025

Property and equipment, gross
 
 
194,141

 
153,466

Less: Accumulated depreciation
 
 
74,713

 
43,074

Property and equipment, net
 
 
$
119,428

 
$
110,392