Inventories (Tables)

9 Months Ended

Sep. 30, 2020

Inventories

Schedule of inventories

Inventories consist of the following:

	September 30,		December 31,
	2020		2019
(in thousands)	(unaudited)
Refrigerant and cylinders	$	49,602	$	72,088
Less:  net realizable value adjustments		(9,228)		(12,850)
Total	$	40,374	$	59,238