Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)	Total	Preferred Stock	Common Stock	Capital in Excess of Par	Accumulated Other Comprehensive Loss	Retained Earnings	Treasury Stock
Preferred stock, Beginning balance (in shares) at Dec. 31, 2024		0
Common stock, Beginning balance (in shares) at Dec. 31, 2024			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
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)			44,929
Exercise of stock options	56,149		$ 449	55,700
Shares deducted from restricted stock awards for payment of withholding taxes (in shares)			(868)
Shares deducted from restricted stock awards for payment of withholding taxes	(14,305)		$ (9)	(14,296)
Issuance of common stock, net of offering costs (in shares)			612,999
Issuance of common stock, net of offering costs	9,545,692		$ 6,130	9,539,562
Dividends	0
Net (loss) income	3,882,660					3,882,660
Decrease in net 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			15,283,417
Ending balance at Mar. 31, 2025	$ 82,209,963	$ 0	$ 152,834	98,450,640	(9,952,290)	(873,214)	$ (5,568,007)
Treasury stock, Ending balance (in shares) at Mar. 31, 2025							1,524,125
Preferred stock, Beginning balance (in shares) at Dec. 31, 2025		0
Common stock, Beginning balance (in shares) at Dec. 31, 2025	14,397,526		15,921,651
Beginning balance at Dec. 31, 2025	$ 122,731,249	$ 0	$ 159,216	99,624,713	(6,081,530)	34,596,857	$ (5,568,007)
Treasury stock, Beginning balance (in shares) at Dec. 31, 2025	1,524,125						1,524,125
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	$ 653,984			653,984
Vesting of restricted stock awards (in shares)			74,571
Vesting of restricted stock awards	0		$ 746	(746)
Shares deducted from restricted stock awards for payment of withholding taxes (in shares)			(20,357)
Shares deducted from restricted stock awards for payment of withholding taxes	$ (336,189)		$ (204)	(335,985)
Exercise of stock options (in shares)	18,333		30,863
Exercise of stock options	$ 41,249		$ 308	40,941
Dividends	(722,276)					(722,276)
Net (loss) income	(5,808,250)					(5,808,250)
Decrease in net unrealized losses on available-for-sale securities, net of tax	$ (2,055,257)				(2,055,257)
Preferred stock, Ending balance (in shares) at Mar. 31, 2026		0
Common stock, Ending balance (in shares) at Mar. 31, 2026	14,482,603		16,006,728
Ending balance at Mar. 31, 2026	$ 114,504,510	$ 0	$ 160,066	$ 99,982,907	$ (8,136,787)	$ 28,066,331	$ (5,568,007)
Treasury stock, Ending balance (in shares) at Mar. 31, 2026	1,524,125						1,524,125