Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net sales	$ 42,644	$ 51,399	$ 90,921	$ 98,726
Cost of sales	32,695	37,028	68,148	71,859
Gross profit	9,949	14,371	22,773	26,867
Selling, general & administrative expenses	6,665	7,799	14,417	15,043
Loss on sale of fixed assets	290	0	286	0
Operating income	2,994	6,572	8,070	11,824
Interest expense	33	194	49	425
Other expense	35	198	362	437
Income before income tax expense	2,926	6,180	7,659	10,962
Income tax expense	608	1,582	1,450	2,630
Net income	$ 2,318	$ 4,598	$ 6,209	$ 8,332
Net income per share:
Basic (in dollars per share)	$ 0.31	$ 0.62	$ 0.83	$ 1.12
Diluted (in dollars per share)	$ 0.31	$ 0.62	$ 0.82	$ 1.11
Weighted average common shares outstanding:
Basic (in shares)	7,487	7,423	7,472	7,413
Diluted (in shares)	7,532	7,467	7,545	7,473

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a),(d))
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227