5. Accounts Receivables (Tables)

12 Months Ended

Dec. 31, 2016

Receivables [Abstract]

Accounts receivable

Accounts receivable consist of the following (in thousands):

		December 31,
		2016		2015
Trade accounts receivable	$	50,532	$	60,564
Less allowance for prompt pay discounts		(1,038)		(1,844)
Less allowance for doubtful accounts		(500)		(15)
Total trade receivables, net		48,994		58,705
Receivables from third parties		1,200		1,594
Other miscellaneous receivables		535		910
Total accounts receivable, net	$	50,729	$	61,209