TRADE RECEIVABLES (Tables)

6 Months Ended

Jun. 30, 2021

Receivables [Abstract]

Trade Receivables

Trade receivables, net consisted of the following:
	June 30, 2021		December 31, 2020
	(thousands of dollars)
Trade receivables	$	34,510	$	25,601
Less allowance for doubtful accounts	(300)		(300)
Total trade receivables, net	$	34,210	$	25,301