Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2018	Jan. 31, 2017	Jan. 31, 2018	Jan. 31, 2017
REVENUE:
Professional Services	$ 7,559	$ 7,202	$ 22,340	$ 22,407
Aerospace Products	3,451	4,093	11,476	13,090
Total revenue	11,010	11,295	33,816	35,497
COSTS AND EXPENSES:
Cost of Professional Services	4,747	4,729	14,344	13,899
Cost of Aerospace Products	2,636	2,985	8,469	9,554
Marketing and advertising	920	1,145	2,729	3,229
Employee benefits	480	483	1,416	1,397
Depreciation and amortization	362	496	1,344	1,510
General, administrative and other	1,426	1,335	4,112	3,912
Total costs and expenses	10,571	11,173	32,414	33,501
OPERATING INCOME	439	122	1,402	1,996
OTHER INCOME (EXPENSE):
Interest expense	(83)	(95)	(250)	(319)
Other income (expense), net	1		1	(18)
Total other expense	(82)	(95)	(249)	(337)
INCOME BEFORE INCOME TAXES	357	27	1,153	1,659
PROVISION FOR INCOME TAXES
Deferred income tax expense		8		426
Provision for income taxes	10		191
NET INCOME	347	19	962	1,233
Net income attributable to noncontrolling interest in BHCMC, LLC	(327)	(5)	(620)	(477)
NET INCOME ATTRIBUTABLE TO BUTLER NATIONAL CORPORATION	$ 20	$ 14	$ 342	$ 756
BASIC EARNINGS PER COMMON SHARE (in dollars per share)	$ 0	$ 0	$ 0.01	$ 0.01
WEIGHTED AVERAGE SHARES USED IN PER SHARE CALCULATION (in shares)	64,506,986	63,416,953	64,531,138	63,416,953
DILUTED EARNINGS PER COMMON SHARE (in dollars per share)	$ 0	$ 0	$ 0.01	$ 0.01
WEIGHTED AVERAGE SHARES USED IN PER SHARE CALCULATION (in shares)	64,506,986	63,416,953	64,531,138	63,416,953