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Inventories
 12 Months Ended
Dec. 31, 2017
Inventory Disclosure [Abstract]  
Inventories
Note 4- Inventories
 
Inventories, net of reserve, consist of the following:
 
December 31 ,
 
2017
 
2016
 
(in thousands)
 
 
 
 
 
 
 
Refrigerant and cylinders
 
$
22,322
 
$
11,168
 
Packaged refrigerants
 
 
150,163
 
 
57,433
 
Total
 
$
172,485
 
$
68,601