Schedule of Non-qualified Stock Options (Details) - Non Qualified Stock Option [Member] - $ / shares	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Offsetting Assets [Line Items]
Number of stock options, options outstanding, beginning of year	112,500	164,167
Weighted exercise price option outstanding, beginning of year	$ 3.51	$ 3.13
Number of stock options, granted
Weighted exercise price, granted
Number of stock options, redeemed	(17,500)	(17,500)
Weighted exercise price redeemed	$ 2.55	$ 1.21
Number of stock options, exercised	(5,000)	(5,000)
Weighted exercise price exercised	$ 2.55	$ 1.21
Number of stock options, expired / terminated
Weighted exercise price expired / terminated
Number of stock options options outstanding end of period	90,000	141,667
Weighted exercise price, option outstanding end of period	$ 3.76	$ 3.43
Number of stock options options exercisable end of period	90,000	141,667
Weighted exercise price, options exercisable, end of period	$ 3.76	$ 3.43