Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Revenues	$ 9,486,853	$ 11,056,587
Cost of sales	2,436,449	4,106,303
Gross profit	7,050,404	6,950,284
Operating expenses:
Selling, general and administrative	5,374,687	4,930,333
Income from operations	1,675,717	2,019,951
Other income	4,283	10,611
Interest income	330,005	145,891
Income before taxes	2,010,005	2,176,453
Income tax expense	397,000	552,000
Net income	$ 1,613,005	$ 1,624,453
Net income per share - basic (in dollars per share)	$ 0.35	$ 0.36
Diluted net income per share (in dollars per share)	$ 0.35	$ 0.35
Weighted-average shares outstanding - basic (in shares)	4,553,080	4,522,536
Weighted-average shares outstanding - diluted (in shares)	4,619,046	4,583,115