Accounts Receivable (Tables)

6 Months Ended

Jun. 30, 2019

Accounts Receivable

Schedule of accounts receivable

	June 30, 2019		December 31, 2018
Trade accounts receivable	$	34,215	$	36,428
Unbilled accounts receivable		8,295		7,577
		42,510		44,005
Less allowance for doubtful accounts		(290)		(211)
	$	42,220	$	43,794