Consolidated Statements of Changes in Stockholders' Equity - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2020	4,748,012
Balance at Dec. 31, 2020	$ 47,480	$ 23,631,618	$ 27,614,087	$ 51,293,185
Exercise of stock options (in shares)	3,654			3,654
Exercise of stock options	$ 37	48,562	0	$ 48,599
Stock-based compensation	0	548,282	0	548,282
Dividend distribution	$ 0	0	(1,706)	(1,706)
401(K) stock match (in shares)	33,998
401(K) stock match	$ 340	557,056	0	557,396
Issuance of deferred stock awards (in shares)	14,597
Issuance of deferred stock awards	$ 146	(26,094)	0	$ (25,948)
Shares issued under Employee Stock Purchase Plan (in shares)	11,824			11,824
Shares issued under Employee Stock Purchase Plan	$ 118	135,147	0	$ 135,265
Net income	$ 0	0	11,798,153	11,798,153
Balance (in shares) at Dec. 31, 2021	4,812,085
Balance at Dec. 31, 2021	$ 48,121	24,894,571	39,410,534	$ 64,353,226
Exercise of stock options (in shares)				(0)
Stock-based compensation	0	449,891	0	$ 449,891
Dividend distribution	$ 0	0	(1,701,971)	(1,701,971)
401(K) stock match (in shares)	25,939
401(K) stock match	$ 260	618,475	0	618,735
Issuance of deferred stock awards (in shares)	41,816
Issuance of deferred stock awards	$ 418	(213,026)	0	$ (212,608)
Shares issued under Employee Stock Purchase Plan (in shares)	9,135			9,135
Shares issued under Employee Stock Purchase Plan	$ 91	164,733	0	$ 164,824
Net income	$ 0	0	7,512,946	7,512,946
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