Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
Apr. 30, 2021	Apr. 30, 2020
Income Statement [Abstract]
Net sales	$ 28,367	$ 17,817
Costs of goods sold	20,679	12,913
Gross profit	7,688	4,904
Selling, general and administrative expenses	11,983	11,931
Operating loss	(4,295)	(7,027)
Pension expense	506	542
Interest expense	293	404
Loss before income taxes	(5,094)	(7,973)
Income tax benefits	(1,185)	(3,275)
Net loss	$ (3,909)	$ (4,698)
Net loss per common share:
Basic (usd per share)	$ (0.25)	$ (0.30)
Diluted (usd per share)	$ (0.25)	$ (0.30)
Weighted average shares of common stock outstanding:
Basic (shares)	15,824	15,654
Diluted (shares)	15,824	15,654

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