INDUSTRY SEGMENTATION AND SALES BY MAJOR CUSTOMER (Tables)

12 Months Ended

Apr. 30, 2013

INDUSTRY SEGMENTATION AND SALES BY MAJOR CUSTOMER [Abstract]

Schedule of segment information by products and services

Year ended April 30, 2013

	Professional Services		Aerospace Products			Consolidated
Total revenues	$	37,202	$	13,627		$	50,829
Depreciation and amortization		1,285		1,991			3,276
Operating income (loss)		2,987		(1,484	)		1,503
Capital expenditures, net		7,180		979			8,159
Interest expense		-		-			(1,521	)
Other income (expense)		-		-			11
Income (loss) before taxes		-		-			(7	)
Income tax expense (benefit)		-		-			(816	)
Net income (loss) attributable to Butler National Corporation		-		-			(148	)
Identifiable assets, net		23,880		19,980			43,860

Year ended April 30, 2012

	Professional Services		Aerospace Products		Consolidated
Total revenues	$	37,226	$	17,188	$	54,414
Depreciation and amortization		364		1,835		2,199
Operating income (loss)		2,928		2,558		5,486
Capital expenditures, net		2,211		1,323		3,534
Interest expense		-		-		(736	)
Other income (expense)		-		-		(11	)
Income (loss) before taxes		-		-		4,739
Income tax expense (benefit)		-		-		823
Net income (loss) attributable to Butler National Corporation		-		-		1,900
Identifiable assets, net		19,535		21,027		40,562

Year ended April 30, 2011

	Professional Services			Aerospace Products		Consolidated
Total revenues	$	27,390		$	18,945	$	46,335
Depreciation and amortization		66			1,345		1,411
Operating income (loss)		(728	)		3,556		2,828
Capital expenditures, net		242			3,511		3,753
Interest expense		-			-		(364	)
Other income (expense)		-			-		(35	)
Income (loss) before taxes		-			-		2,429
Income tax expense (benefit)		-			-		1,171
Net income (loss) attributable to Butler National Corporation		-			-		1,259
Identifiable assets, net		10,016			22,142		32,158

Schedule of revenue by major customers by reporting segments

Major Customers: Revenue from major customers (10 percent or more of consolidated revenue) were as follows:

	2013			2012			2011
Modifications		N/A	*		N/A	*		11.2	%
Avionics		N/A	*		N/A	*		N/A	*
Management services		N/A	*		N/A	*		N/A	*
Environmental services		N/A	*		N/A	*		N/A	*

*Revenue represented less than 10% of consolidated revenue.