Note 3 - Net Income Per Share Computations (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

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

	Three Months Ended March 31,
	2022		2021
Net income (numerator) amounts used for basic and diluted per share computations:	$	1,773,913	$	551,493
Weighted average shares (denominator) of common stock outstanding:
Basic		4,818,339		4,754,496
Plus dilutive effect of stock options		45,907		8
Diluted		4,864,247		4,754,504
Net income per common share:
Basic	$	0.37	$	0.12
Diluted		0.36		0.12