TRADE RECEIVABLES

3 Months Ended

Mar. 31, 2021

Receivables [Abstract]

TRADE RECEIVABLES

TRADE RECEIVABLES

Trade receivables, net consisted of the following:
	March 31, 2021		December 31, 2020
	(thousands of dollars)
Trade receivables	$	26,229	$	25,601
Less allowance for doubtful accounts	(300)		(300)
Total trade receivables, net	$	25,929	$	25,301

Trade receivables serve as collateral for our amended and restated credit agreement. See Note 11.