Condensed Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenues	$ 2,302,410	$ 3,351,834
Cost of sales	421,841	661,622
Gross profit	1,880,569	2,690,212
Operating expenses:
Selling, general and administrative	1,543,786	1,086,396
Income from operations	336,783	1,603,816
Other income	0	10,611
Interest income	88,478	40,913
Income before taxes	425,261	1,655,340
Income tax expense	89,400	393,500
Net income	$ 335,861	$ 1,261,840
Net income per share - basic (in dollars per share)	$ 0.07	$ 0.28
Net income per share - diluted (in dollars per share)	$ 0.07	$ 0.27
Weighted-average shares outstanding - basic (in shares)	4,551,988	4,521,988
Weighted-average shares outstanding - diluted (in shares)	4,626,930	4,596,037