Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2019	Oct. 31, 2018
Income Statement [Abstract]
Net sales	$ 39,722	$ 37,278	$ 79,058	$ 79,430
Cost of products sold	33,406	29,614	65,796	64,183
Gross profit	6,316	7,664	13,262	15,247
Operating expenses	6,355	5,963	12,525	11,726
Operating earnings (loss)	(39)	1,701	737	3,521
Other income	16	150	72	314
Interest expense, net	(135)	(91)	(302)	(182)
Earnings (loss) before income taxes	(158)	1,760	507	3,653
Income tax expense	2,003	388	2,172	783
Net earnings (loss)	(2,161)	1,372	(1,665)	2,870
Less: net earnings attributable to the noncontrolling interest	17	40	42	49
Net earnings (loss) attributable to Kewaunee Scientific Corporation	$ (2,178)	$ 1,332	$ (1,707)	$ 2,821
Net earnings (loss) per share attributable to Kewaunee Scientific Corporation stockholders
Basic (in dollars per share)	$ (0.79)	$ 0.49	$ (0.62)	$ 1.03
Diluted (in dollars per share)	$ (0.79)	$ 0.48	$ (0.62)	$ 1.01
Weighted average number of common shares outstanding
Basic	2,750	2,743	2,750	2,740
Diluted	2,750	2,800	2,750	2,802

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://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=115205541&loc=SL114868664-224227