Consolidated Statements of Income - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Net sales	$ 57,840,000	$ 61,232,000
Cost of goods sold, excluding depreciation and amortization	34,907,000	38,403,000
Gross profit	22,933,000	22,829,000
Operating expenses:
Selling, general and administrative	18,611,000	17,772,000
Depreciation and amortization	873,000	925,000
Total operating expenses	19,484,000	18,697,000
Income from operations	3,449,000	4,132,000
Other income:
Equity in income of unconsolidated affiliate	629,000	477,000
Gain on sale of property and equipment	30,000	0
Interest income, net	912,000	816,000
Total other income, net	1,571,000	1,293,000
Income before provision for income taxes	5,020,000	5,425,000
Provision for income taxes	1,091,000	1,236,000
Net income	$ 3,929,000	$ 4,189,000
Basic earnings per common share (in dollars per share)	$ 0.35	$ 0.35
Diluted earnings per common share (in dollars per share)	$ 0.35	$ 0.35
Basic weighted average common shares outstanding (in shares)	11,137,873	11,856,356
Diluted weighted average common shares outstanding (in shares)	11,235,046	11,856,356