CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2012	Oct. 31, 2011
REVENUES:
Professional services	$ 9,170	$ 9,139	$ 18,977	$ 17,737
Aerospace products	4,367	5,002	8,028	8,550
Total revenues	13,537	14,141	27,005	26,287
COSTS AND EXPENSES:
Cost of professional services	5,370	5,015	10,507	9,992
Cost of aerospace products	3,177	2,577	6,101	5,513
Marketing and advertising	997	2,192	2,117	3,137
Employee benefits	522	751	1,004	1,509
Depreciation and amortization	745	473	1,456	936
General, administrative and other	2,027	1,754	3,836	3,147
Total costs and expenses	12,838	12,762	25,021	24,234
OPERATING INCOME	699	1,379	1,984	2,053
OTHER INCOME (EXPENSE)
Interest expense	(332)	(93)	(678)	(181)
Other income (expense), net	1	0	10	2
Total other income (expense),	(331)	(93)	(668)	(179)
INCOME BEFORE INCOME TAXES	368	1,286	1,316	1,874
PROVISION FOR INCOME TAXES	68	306	208	388
NET INCOME	300	980	1,108	1,486
Net income attributable to noncontrolling interest in BHCMC, LLC	(186)	(522)	(726)	(920)
NET INCOME ATTRIBUTABLE TO BUTLER NATIONAL CORPORATION	$ 114	$ 458	$ 382	$ 566
BASIC EARNINGS PER COMMON SHARE (in dollars per share)	$ 0.00	$ 0.01	$ 0.01	$ 0.01
WEIGHTED AVERAGE SHARES USED IN PER SHARE CALCULATION (in shares)	57,546,314	56,594,262	57,546,314	56,594,262
DILUTED EARNINGS PER COMMON SHARE (in dollars per share)	$ 0.00	$ 0.01	$ 0.01	$ 0.01
WEIGHTED AVERAGE SHARES USED IN PER SHARE CALCULATION (in shares)	57,546,314	56,594,262	57,546,314	56,594,262