Consolidated Statement of Income (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Total sales	$ 23,994,004	$ 25,281,574
Cost of Sales	17,991,083	19,073,431
Gross Profit	6,002,921	6,208,143
Operating Expenses:
Selling, General and administrative expenses	3,677,461	3,069,994
Operating Income	2,325,460	3,138,149
Other (Income) and Expenses:
Interest charges	218,618	297,421
Realized (gain) on investments	(152,761)
Unrealized (gain) on investments	(233,644)
PPP loan forgiveness	1,453,837
Other (income) expense, net	278,125	71,361
Total Other (Income) and Expenses	(1,343,499)	368,782
Income before Provision for Income Taxes	3,668,959	2,769,367
Provision for Income Taxes	525,542	693,797
Net Income	$ 3,143,417	$ 2,075,570
Net Income Per Common Share - Basic (in dollars per share)	$ 0.93	$ 0.63
Net Income Per Common Share - Diluted (in dollars per share)	$ 0.93	$ 0.63
Weighted Average Shares of Common Stock Outstanding
Basic (in shares)	3,392,839	3,311,477
Diluted (in shares)	3,393,720	3,313,157