Red Cat Holdings, Inc. Annual report pursuant to Section 13 and 15(d)

Share Based Awards - Stock compensation expense (Details) - USD ($)	12 Months Ended
	Apr. 30, 2021	Apr. 30, 2020
Share-based Payment Arrangement [Abstract]
General and administrative	$ 1,688,025	$ 213,959
Research and development	1,269,987	55,936
Operations	220,048
Sales and marketing	210,156
Total	$ 3,388,216	$ 269,895