XML 28 R15.htm IDEA: XBRL DOCUMENT v3.7.0.1
Inventories
6 Months Ended
Jun. 30, 2017
Inventory Disclosure [Abstract]  
Inventories
Inventories
Inventories in the accompanying Condensed Consolidated Balance Sheets consisted of the following amounts (in thousands):
 
June 30,
2017
 
December 31,
2016
Raw materials and construction materials
$
23,416

 
$
21,997

Work in process
19,035

 
15,429

Inventories
$
42,451

 
$
37,426