RESTATEMENT OF PREVIOUSLY ISSUED FINANCIAL STATEMENTS (Tables)

3 Months Ended

Aug. 31, 2021

Prior Period Adjustment [Abstract]

Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]

	As Previously Reported		Adjustments		As Restated
Cost of sales	$	960,930	$	64,787	$	1,025,717
Gross Profit		182,876		(64,787)		118,089
Operating Expenses:
Selling, general and administrative		1,164,564		141,380		1,305,944
Research and development		674,693		36,812		711,505
Total operating expense		1,839,257		178,192		2,017,449
Loss from operations		(1,656,381)		(242,979)		(1,899,360)
Loss before income taxes		(1,648,290)		(242,979)		(1,891,269)
Net loss	$	(1,649,415)	$	(242,979)	$	(1,892,394)
Basic net loss per common share	$	(0.14)	$	(0.02)	$	(0.16)
Diluted net loss per common share	$	(0.14)	$	(0.02)	$	(0.16)
Comprehensive loss	$	(1,651,136)	$	(242,979)	$	(1,894,115)

	As Previously Reported		Adjustments		As Restated
Shareholders' Equity:
Additional paid-in-capital	$	36,685,176	$	2,151,567	$	38,836,743
Accumulated deficit		(28,394,768)		(2,151,567)		(30,546,335)
Other Equity accounts		936,615		-		936,615
Total Shareholders' Equity	$	9,227,023	$	-	$	9,227,023

	As Previously Reported		Adjustments		As Restated
Cash flows from operating activities:
Net loss	$	(1,649,415)	$	(242,979)	$	(1,892,394)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock option expense		3,808		242,979		246,787
Net cash used in operating activities		(1,597,146)		-		(1,597,146)
Cash and cash equivalents at end of period	$	6,964,314	$	-	$	6,964,314