Inventories (Tables)

3 Months Ended

Mar. 31, 2020

Inventories

Schedule of inventories

Inventories consist of the following:

	March 31,		December 31,
	2020		2019
(in thousands)
Refrigerant and cylinders	$	70,270	$	72,088
Less:  net realizable value adjustments		(11,982)		(12,850)
Total	$	58,288	$	59,238