Consolidated Statements of Income - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Net sales	$ 61,232,000	$ 61,981,000
Cost of goods sold, excluding depreciation and amortization	38,403,000	40,298,000
Gross profit	22,829,000	21,683,000
Operating expenses:
Selling, general and administrative	17,772,000	16,219,000
Depreciation and amortization	925,000	814,000
Total operating expenses	18,697,000	17,033,000
Income from operations	4,132,000	4,650,000
Other income (expense):
Equity in income (loss) of unconsolidated affiliate	477,000	87,000
Impairment on deposit	0	(490,000)
Interest income, net	816,000	148,000
Total other income (loss)	1,293,000	(255,000)
Income before provision for income taxes	5,425,000	4,395,000
Provision for income taxes	1,236,000	1,113,000
Net income	$ 4,189,000	$ 3,282,000
Basic earnings per common share (in dollars per share)	$ 0.35	$ 0.26
Diluted earnings per common share (in dollars per share)	$ 0.35	$ 0.26
Basic weighted average common shares outstanding (in shares)	11,856,356	12,713,533
Diluted weighted average common shares outstanding (in shares)	11,856,356	12,781,004