Consolidated Statements of Income - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Total sales	$ 85,069,900	$ 89,698,527
Cost of Sales	66,138,610	70,123,892
Gross Profit	18,931,290	19,574,635
Operating Expenses:
Selling, general and administrative expenses	11,478,837	9,063,969
Operating Income	7,452,453	10,510,666
Other (Income) and Expenses:
Interest charges	952,192	1,056,843
Unrealized gain on investments	(585,107)
Other (income) expense, net	(389,873)	34,333
Total Other (Income) and Expenses	(22,788)	1,091,176
Income before Provision for Income Taxes	7,475,241	9,419,490
Provision for Income Taxes:
Current	1,443,761	1,890,912
Deferred	192,093	548,715
Total Provision for Income Taxes	1,635,854	2,439,627
Net Income	$ 5,839,387	$ 6,979,863
Net Income per Common Share - Basic (in dollars per share)	$ 1.76	$ 2.45
Net Income per Common Share - Diluted (in dollars per share)	$ 1.76	$ 2.13
Weighted Average Shares of Common Stock Outstanding – Basic (in shares)	3,319,731	2,849,239
Weighted Average Shares of Common Stock Outstanding - Diluted (in shares)	3,320,553	3,277,857