QUARTERLY FINANCIAL INFORMATION (UNAUDITED) (Details Narrative) - EPS - USD ($)	3 Months Ended
	Oct. 31, 2021	Jul. 31, 2021	Apr. 30, 2021	Jan. 31, 2021	Oct. 31, 2020	Jul. 31, 2020	Apr. 30, 2020
Decreased cost of goods sold	$ 100,000.0	$ 100,000	$ 400,000		$ 100,000	$ 100,000.0	$ 100,000.0
Increased cost of goods sold				$ 200,000
Increased income tax expense	30,000.00		30,000.00
Decreased income tax expense		300,000.0	6,631,000,000	100,000.0	50,000.00	50,000.00	50,000.00
Increased net income	$ 100,000	$ 300,000	$ 400,000		$ 100,000.0	$ 100,000.0	$ 100,000
Decreased net income				$ 100,000
Basic EPS increased	$ 0.02	$ 0.05	$ 0.05		$ 0.02	$ 0.01	$ 0.02
Diluted EPS increased	$ 0.01	$ 0.05	$ 0.04		$ 0.01	$ 0.01	$ 0.02
Basic EPS Decreased				$ 0.02
Diluted EPS Decreases				$ 0.02