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Inventories
3 Months Ended
Mar. 31, 2019
Inventory Disclosure [Abstract]  
Inventories
Note 3 - Inventories
 
Inventories consist of the following:
 
 
 
March 31,

2019
 
 
December 31,
2018
 
(in thousands)
 
 
 
 
 
 
 
 
Refrigerant and cylinders
 
$
110,263
 
 
$
115,348
 
Less:  net realizable value adjustments
 
 
(10,491
)
 
 
(13,386
)
Total
 
$
99,772
 
 
$
101,962