XML 24 R13.htm IDEA: XBRL DOCUMENT

Note 8 - Stock Options and Incentive Plans	9 Months Ended
Note 8 - Stock Options and Incentive Plans	Jan. 31, 2019
Notes to Financial Statements
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]	8. Stock Options and Incentive Plans: At January 31, 2019 we had no outstanding stock options. In November 2016, the shareholders approved and adopted the Butler National Corporation 2016 Equity Incentive Plan. The maximum number of shares of common stock that may be issued under the Plan is 12.5 million. No equity awards have been made under the plan.