Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($)		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Earnings Per Share [Abstract]
Net earnings		$ 1,240,172	$ 3,228,718
Basic weighted-average shares outstanding	[1]	21,080,549	21,381,988
Employee stock options		531,486	884,485
Diluted weighted-average shares outstanding	[1]	21,612,035	22,266,473
Basic net earnings per share	[1]	$ 0.06	$ 0.15
Diluted net earnings per share	[1]	$ 0.06	$ 0.15

[1] Net earnings per share amounts have been adjusted retroactively for the effect of annual stock dividends. The weighted-average shares outstanding includes the weighted-average Class A common shares and the weighted-average Class C common shares determined on an equivalent Class A common stock basis. Net earnings per common share represent net earnings per equivalent Class A common share.