Note 1 - Nature of Operations, Organization and Significant Accounting Policies (Tables)

12 Months Ended

Apr. 30, 2023

Notes Tables

Schedule of Useful Life of Property, Plant, and Equipment [Table Text Block]

Description	Estimated useful life
Building and improvements	39 years or the shorter of the estimated useful life of the asset or the underlying lease term
Aircraft	5 years
Machinery and equipment	5 years
Office furniture and fixtures	5 years
Leasehold improvements	Shorter of the estimated useful life of the asset or the underlying lease term

Schedule of Other Assets [Table Text Block]

(dollars in thousands)	2023		2022
Privilege fee	$	5,500	$	5,500
Less amortized costs		4,795		4,372
Privilege fee balance	$	705	$	1,128
Intangible gaming equipment	$	6,646	$	6,151
Less amortized costs		6,078		5,868
Intangible gaming equipment balance	$	568	$	283
JET autopilot intellectual property	$	1,417	$	1,417
Less amortized costs		1,417		1,335
JET autopilot intellectual property balance	$	-	$	82

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

(in thousands, except share and per share data)	2023		2022
Net income attributable to Butler National Corporation	$	4,516	$	10,368
Weighted average common shares outstanding		76,456,631		75,340,131
Dilutive effect of non-qualified stock option plans		-		-
Weighted average common shares outstanding, assuming dilution		76,456,631		75,340,131
Potential common shares if all options were exercised and shares issued		76,456,631		75,340,131
Basic earnings per common share	$	0.06	$	0.14
Diluted earnings per common share	$	0.06	$	0.14