Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)	Total	Preferred Stock	Common Stock	Capital in Excess of Par	Accumulated Other Comprehensive Loss	Accumulated Deficit	Treasury Stock
Preferred stock, Beginning balance (in shares) at Dec. 31, 2023		0
Common stock, Beginning balance (in shares) at Dec. 31, 2023			12,248,313
Beginning balance at Dec. 31, 2023	$ 34,504,139	$ 0	$ 122,483	$ 75,338,010	$ (12,274,563)	$ (23,114,310)	$ (5,567,481)
Treasury stock, Beginning balance (in shares) at Dec. 31, 2023							1,471,406
Ending balance at Mar. 31, 2024	35,749,807	$ 0	$ 124,794	75,595,096	(12,714,971)	(21,687,631)	$ (5,567,481)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	265,789			265,789
Vesting of restricted stock awards (in shares)			233,627
Vesting of restricted stock awards	0		$ 2,336	(2,336)
Shares deducted from restricted stock awards for payment of withholding taxes (in shares)			(2,518)
Shares deducted from restricted stock awards for payment of withholding taxes	$ (6,392)		$ (25)	(6,367)
Exercise of stock options (in shares)	0
Net income	$ 1,426,679					1,426,679
(Increase) decrease in unrealized losses on available-for-sale securities, net of tax	$ (440,408)				(440,408)
Preferred stock, Ending balance (in shares) at Mar. 31, 2024		0
Common stock, Ending balance (in shares) at Mar. 31, 2024			12,479,422
Treasury stock, Ending balance (in shares) at Mar. 31, 2024							1,471,406
Preferred stock, Beginning balance (in shares) at Dec. 31, 2024		0
Common stock, Beginning balance (in shares) at Dec. 31, 2024	12,924,080		14,448,205
Beginning balance at Dec. 31, 2024	$ 66,708,451	$ 0	$ 144,482	89,063,326	(12,175,476)	(4,755,874)	$ (5,568,007)
Treasury stock, Beginning balance (in shares) at Dec. 31, 2024	1,524,125						1,524,125
Ending balance at Mar. 31, 2025	$ 82,209,963	$ 0	$ 152,834	98,450,640	(9,952,290)	(873,214)	$ (5,568,007)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	339,010			339,010
Vesting of restricted stock awards (in shares)			212,892
Vesting of restricted stock awards	0		$ 2,129	(2,129)
Shares deducted from restricted stock awards for payment of withholding taxes (in shares)			(34,740)
Shares deducted from restricted stock awards for payment of withholding taxes	$ (530,880)		$ (347)	(530,533)
Exercise of stock options (in shares)	25,005		44,929
Exercise of stock options	$ 56,149		$ 449	55,700
Shares deducted from exercise of stock options for payment of withholding taxes (in shares)			(868)
Shares deducted from exercise of stock options for payment of withholding taxes	(14,305)		$ (9)	(14,296)
Issuance of common stock, net of offering costs of $221,792 (in shares)			612,999
Issuance of common stock, net of offering costs of $221,792	9,545,692		$ 6,130	$ 9,539,562
Net income	3,882,660					$ 3,882,660
(Increase) decrease in unrealized losses on available-for-sale securities, net of tax	$ 2,223,186				$ 2,223,186
Preferred stock, Ending balance (in shares) at Mar. 31, 2025		0
Common stock, Ending balance (in shares) at Mar. 31, 2025	13,759,292		15,283,417
Treasury stock, Ending balance (in shares) at Mar. 31, 2025	1,524,125						1,524,125