CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012	Apr. 30, 2012
CURRENT ASSETS:
Cash	$ 7,769	$ 7,431
Accounts receivable	5,276	3,589
Inventories (net of obsolete of $1,075,437 at January 31, 2012 and $1,792,681 at April 30, 2011)
Raw materials	6,263	6,305
Work in process	1,160	982
Finished goods	305	424
Total Inventory	7,728	7,711
Prepaid expenses and other current assets	834	1,493
Total current assets	21,607	20,224
PROPERTY, PLANT AND EQUIPMENT:
Land and building	3,915	3,915
Aircraft	6,673	6,288
Machinery and equipment	3,714	3,714
Office furniture and fixtures	3,233	3,217
Leasehold improvements	31	31
Property, plant and equipment, gross	17,566	17,165
Accumulated depreciation	(7,267)	(6,688)
Property, plant and equipment, net	10,299	10,477
SUPPLEMENTAL TYPE CERTIFICATES (net of amortization of $2,514 at July 31, 2012 and $2,500 at April 30, 2012)	1,663	1,677
OTHER ASSETS:
Deferred tax asset	1,167	1,167
Other assets (net of accumulated amortization of $451,287 at January 31, 2012 and $292,465 at April 30, 2011)	6,884	7,017
Total other assets	8,051	8,184
Total Assets	41,620	40,562
CURRENT LIABILITIES:
Line of Credit	304	462
Current maturities of long-term debt and capital lease obligations	3,719	3,757
Accounts payable	1,936	1,169
Customer deposits	1,476	1,015
Gaming facility mandated payment	1,160	1,281
Compensation and compensated absences	1,123	1,342
Accrued income tax	(241)	47
Other	213	207
Total current liabilities	9,690	9,280
LONG-TERM DEBT AND CAPITAL LEASE OBLIGATIONS, NET OF CURRENT MATURITIES:	8,386	8,678
Total liabilities	18,076	17,958
STOCKHOLDERS' EQUITY:
Common stock, par value $.01:Authorized 100,000,000 shares issued and outstanding 58,146,314 shares at July 31, 2012 and 57,907,564 shares at April 30, 2012	581	579
Common stock, owed but not issued 278,573 shares at July 31, 2012 and at April 30, 2012	3	3
Capital contributed in excess of par	12,698	12,568
Treasury stock at cost, 600,000 shares	(732)	(732)
Retained Earnings	8,438	8,170
Total stockholders' equity Butler National Corporation	20,988	20,588
Non-controlling Interest in BHCMC, LLC	2,556	2,016
Total stockholders' equity	23,544	22,604
Total Liabilities and Stockholders' Equity	41,620	40,562
Preferred Class A [Member]
STOCKHOLDERS' EQUITY:
Preferred stock	0	0
Preferred Class B [Member]
STOCKHOLDERS' EQUITY:
Preferred stock	$ 0	$ 0