CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Jul. 31, 2012	Jul. 31, 2011
REVENUE
Professional services	$ 9,807	$ 8,598
Aerospace products	3,661	3,548
Net Revenue	13,468	12,146
COSTS AND EXPENSES:
Cost of professional services	5,137	4,977
Cost of aerospace products	2,924	2,936
Marketing and advertising	1,120	945
Employee Benefits	482	758
Depreciation and Amortization	711	463
General, administrative and other	1,809	1,393
Total costs and expenses	12,183	11,472
OPERATING INCOME	1,285	674
OTHER INCOME (EXPENSE)
Interest expense	(346)	(89)
Other income (expense), net	9	3
Total other income (expense),	(337)	(86)
INCOME (LOSS) BEFORE PROVISION FOR INCOME TAXES	948	588
PROVISION FOR (BENEFIT) FROM INCOME TAXES	140	82
NET INCOME (LOSS) BEFORE NON-CONTROLLING INTEREST IN BHCMC, LLC	808	506
NET INCOME (LOSS) NON-CONTROLLING INTEREST IN BHCMC, LLC	(540)	(398)
NET INCOME (LOSS) BUTLER NATIONAL CORPORATION	$ 268	$ 108
BASIC EARNINGS PER COMMON SHARE (in dollars per share)	$ 0.00	$ 0.00
WEIGHTED AVERAGE SHARES USED IN PER SHARE CALCULATION (in shares)	57,527,949	56,594,262
DILUTED EARNINGS PER COMMON SHARE (in dollars per share)	$ 0.00	$ 0.00
WEIGHTED AVERAGE SHARES USED IN PER SHARE CALCULATION (in shares)	57,527,949	56,594,262