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Note 3 - Trade Accounts Receivable

12 Months Ended

Dec. 31, 2020

Notes to Financial Statements

Financing Receivables [Text Block]

3.	TRADE ACCOUNTS RECEIVABLE

The Company's receivables result primarily from the sale of transportation and logistics services. The Company performs ongoing credit evaluations of its customers and generally does not require collateral for accounts receivable. Accounts receivable, which consist of both billed and unbilled receivables, are presented net of current estimated credit losses. Accounts outstanding longer than contractual payment terms are considered past due and are reviewed individually for collectability. Accounts receivable balances consist of the following components as of December 31, 2020 and 2019:

		2020				2019
		(in thousands)

Billed		$	68,584			$	57,495
Unbilled			12,629				7,241
Current estimated credit losses			(3,482	)			(2,952	)

Total accounts receivable—net		$	77,731			$	61,784

An analysis of changes in current estimated credit losses for the years ended December 31, 2020, 2019, and 2018 follows:

		2020				2019				2018
		(in thousands)

Balance—beginning of year		$	2,952			$	2,224			$	1,335
Provision for bad debts			530				728				889
Charge-offs			-				-				-
Recoveries			-				-				-
Balance—end of year		$	3,482			$	2,952			$	2,224