CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parentheticals) - USD ($)	Aug. 31, 2022	May 31, 2022
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 383,106	$ 153,231
Inventory reserves	981,814	845,549
Accumulated depreciation and amortization	1,325,561	1,305,360
Accumulated amortization, Right of Use Assets	791,859	724,802
Accumulated amortization, Intangible Assets	$ 21,271	$ 18,994
Common stock par value (in Dollars per share)	$ 0.08	$ 0.08
Common stock, shares authorized (in Shares)	25,000,000	25,000,000
Common stock, shares issued (in Shares)	13,406,901	12,867,924
Common stock, shares outstanding (in Shares)	13,406,901	12,867,924