NET INCOME (LOSS) PER COMMON SHARE (Tables)

3 Months Ended

Mar. 31, 2021

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

For the three months ended March 31, 2021 and 2020, the average market prices for the periods ended are less than the exercise price of all the outstanding stock options, therefore, the inclusion of the stock options would be anti-dilutive. For the three months ended March 31, 2020, since the effect of common stock equivalents is anti-dilutive with respect to losses, the convertible promissory notes have also been excluded from the Company’s computation of net loss per common share for continuing operations, therefore, basic and diluted net loss per common share for the three months ended March 31, 2020 are the same. For the three months ended March 31, 2021 since the convertible promissory notes have been converted into common stock, they have been excluded in the Company’s computation of net income (loss) per common share.

	Three Months Ended		Three Months Ended
	March 31, 2021		March 31, 2020
Basic net income (loss) per share computation:
Net income (loss)	$	354,679	$	(292,115	)
Weighted-average common shares outstanding		4,765,292		4,501,271
Basic net income (loss) per share	$	0.07	$	(0.06	)
Diluted net income (loss) per share computation:
Net income (loss)		354,679		(292,115	)
Weighted-average common shares outstanding		4,765,292		4,501,271
Incremental shares attributable to assumed conversion of stock options and Warrants		1,410		-
Total adjusted weighted-average shares		4,766,702		4,501,271
Diluted net income (loss) per share	$	0.07	$	(0.06	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

The following table summarizes securities that, if exercised, would have an anti-dilutive effect on income (loss) per share.

	Three Months March 31, 2021		Three Months March 31, 2020
Stock options		99,990		22,280
Warrants		-		4,988
Convertible promissory notes		-		229,963

Total potential dilutive securities not included in income (loss) per share		99,990		257,231