Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2018		Dec. 31, 2017		Dec. 31, 2016
Net sales	$ 172,149		$ 132,780		$ 149,387
Cost of sales	160,053		126,965		149,323
Gross profit	12,096	[1]	5,815	[2]	64
Selling, general, and administrative expense	16,663		14,143		16,921
Gain on sale of facilities	(2,960)				(7,860)
Restructuring expense	1,364		881		990
Operating loss	(2,971)	[1]	(9,209)		(9,987)
Bargain purchase gain	20,080
Other income (expense)	267		201		(357)
Interest income	267		6		14
Interest expense	(583)		(490)		(509)
Income (loss) from continuing operations before income taxes	17,060		(9,492)		(10,839)
Income tax benefit	(3,252)		(1,100)		(4,098)
Income (loss) from continuing operations	20,312		(8,392)		(6,741)
Discontinued operations:
Loss from operations of discontinued operations			(1,779)		(3,180)
Gain on sale of facility			6
Income tax benefit			(2)		(658)
Loss on discontinued operations			(1,771)		(2,522)
Net income (loss)	$ 20,312	[3]	$ (10,163)		$ (9,263)
Basic income (loss) per share:
Continuing operations, basic (in dollars per share)	$ 2.09		$ (0.88)		$ (0.71)
Discontinued operations, basic (in dollars per share)			(0.18)		(0.26)
Net income (loss) per share, basic (in dollars per share)	2.09		(1.06)		(0.97)
Diluted income (loss) per share:
Continuing operations, diluted (in dollars per share)	2.09		(0.88)		(0.71)
Discontinued operations, diluted (in dollars per share)			(0.18)		(0.26)
Net income (loss) per share, diluted (in dollars per share)	$ 2.09		$ (1.06)		$ (0.97)
Shares used in per share calculations:
Basic (in shares)	9,726		9,613		9,588
Diluted (in shares)	9,733		9,613		9,588

[1] Operating income for the third quarter of 2018 includes a gain on sale of facility of $2.8 million for the sale of property in Houston, Texas. Operating income for the fourth quarter of 2018 includes a gain on sale of facility of $0.2 million for the sale of the Monterrey, Mexico facility.

[2] Gross profit for the fourth quarter of 2017 includes a charge of $1.2 million to cost of sales as a result of a change in estimate to workers compensation reserves.

[3] Net income for the third quarter of 2018 includes a preliminary bargain purchase gain of $21.9 million. Net income for the fourth quarter of 2018 includes a measurement period adjustment of $1.8 million to decrease the bargain purchase gain.