Acquisition (Narrative) (Details) - USD ($)	3 Months Ended	12 Months Ended
	Jul. 31, 2022	Dec. 31, 2021	Apr. 30, 2022
Proceeds from Issuance of Debt	$ 40,000,000
Stock Issued During Period, Shares, Acquisitions		2,443,870
Goodwill	13,320,534		$ 13,320,534
Investment in Wagz [Member]
Equity Method Investment, Ownership Percentage		25.50%
Fair value of the common stock		$ 600,000
Convertible Debt, Current		12,000,000
Secured promissory note		$ 1,380,705
Notes converted to common stock		12,000,000
Wagz [Member]
Business Acquisition, Percentage of Voting Interests Acquired		100.00%
Fair value of the common stock	6,299,765
Impairment charge	6,300,235
Business Combination Consideration Transferred Equity Interests Issued And Issuable		$ 15,976,295
Stock Issued During Period, Value, Acquisitions		$ 25,245,177
Stock Issued During Period, Shares, Acquisitions		1,546,592
Treasury Stock, Retired, Cost Method, Amount	$ 9,268,881
Goodwill		$ 13,320,534
Wagz [Member] | Patents [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		9,730,000
Wagz [Member] | Trade Names [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets		1,230,000
Wagz [Member] | Allocated To Sigmatron [Member]
Stock Issued During Period, Value, Acquisitions		$ 15,976,295
Stock Issued During Period, Shares, Acquisitions		897,278