Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2022	4,888,975
Balance at Dec. 31, 2022	$ 48,890	$ 25,914,644	$ 45,221,509	$ 71,185,043
Stock-based compensation	0	398,269	0	398,269
Dividend	$ 0	0	(1,043,171)	(1,043,171)
401(k) stock match (in shares)	28,597
401(k) stock match	$ 286	644,287	0	644,573
Net income	$ 0	0	9,199,331	9,199,331
Issuance of deferred stock awards (in shares)	22,197
Issuance of deferred stock awards	$ 221	(171,970)	0	(171,749)
Shares issued under Employee Stock Purchase Plan (in shares)	4,873
Shares issued under Employee Stock Purchase Plan	$ 49	94,584	0	94,633
Balance (in shares) at Sep. 30, 2023	4,944,642
Balance at Sep. 30, 2023	$ 49,446	26,879,814	53,377,669	80,306,929
Balance (in shares) at Jun. 30, 2023	4,933,844
Balance at Jun. 30, 2023	$ 49,338	26,538,005	52,586,742	79,174,085
Stock-based compensation	0	132,436	0	132,436
Dividend	$ 0	0	(345,372)	(345,372)
401(k) stock match (in shares)	10,798
401(k) stock match	$ 108	209,373	0	209,481
Net income	$ 0	0	1,136,299	1,136,299
Balance (in shares) at Sep. 30, 2023	4,944,642
Balance at Sep. 30, 2023	$ 49,446	26,879,814	53,377,669	80,306,929
Balance (in shares) at Dec. 31, 2023	4,962,573
Balance at Dec. 31, 2023	$ 49,626	27,351,509	54,395,462	81,796,597
Stock-based compensation	0	418,957	0	418,957
Dividend	$ 0	0	(1,059,512)	(1,059,512)
401(k) stock match (in shares)	32,024
401(k) stock match	$ 320	655,120	0	655,440
Net income	$ 0	0	3,358,246	3,358,246
Issuance of deferred stock awards (in shares)	17,475
Issuance of deferred stock awards	$ 175	(109,062)	0	(108,887)
Shares issued under Employee Stock Purchase Plan (in shares)	7,537
Shares issued under Employee Stock Purchase Plan	$ 75	128,702	0	128,777
Balance (in shares) at Sep. 30, 2024	5,019,609
Balance at Sep. 30, 2024	$ 50,196	28,445,226	56,694,196	85,189,618
Balance (in shares) at Jun. 30, 2024	5,007,921
Balance at Jun. 30, 2024	$ 50,079	28,086,304	55,022,946	83,159,329
Stock-based compensation	0	147,837	0	147,837
Dividend	$ 0	0	(350,556)	(350,556)
401(k) stock match (in shares)	11,688
401(k) stock match	$ 117	211,085	0	211,202
Net income	$ 0	0	2,021,806	2,021,806
Balance (in shares) at Sep. 30, 2024	5,019,609
Balance at Sep. 30, 2024	$ 50,196	$ 28,445,226	$ 56,694,196	$ 85,189,618