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 Sep. 30, 2024	59,669,732	$ 0	$ 138,190	84,334,037	(9,040,113)	(10,194,549)	$ (5,567,833)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	906,375			906,375
Vesting of restricted stock awards (in shares)			446,044
Vesting of restricted stock awards	0		$ 4,460	(4,460)
Shares deducted from restricted stock awards for payment of withholding taxes (in shares)			(109,633)
Shares deducted from restricted stock awards for payment of withholding taxes	$ (961,091)		$ (1,096)	(959,995)
Exercise of stock options (in shares)	0		37,959				35,248
Exercise of stock options	$ 0		$ 380	(28)			$ (352)
Exercise of warrants (in shares)			60,557
Exercise of warrants	0		$ 606	(606)
Issuance of common stock, net of offering costs (in shares)			1,135,710
Issuance of common stock, net of offering costs	9,066,098		$ 11,357	9,054,741
Net income	12,919,761					12,919,761
Decrease in net unrealized losses on available-for-sale securities, net of tax	3,234,450				3,234,450
Preferred stock, Ending balance (in shares) at Sep. 30, 2024		0
Common stock, Ending balance (in shares) at Sep. 30, 2024			13,818,950
Treasury stock, Ending balance (in shares) at Sep. 30, 2024							1,506,654
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock offering costs			$ 259,825
Preferred stock, Beginning balance (in shares) at Jun. 30, 2024		0
Common stock, Beginning balance (in shares) at Jun. 30, 2024			12,536,129
Beginning balance at Jun. 30, 2024	40,802,774	$ 0	$ 125,361	76,042,147	(12,624,559)	(17,172,694)	$ (5,567,481)
Treasury stock, Beginning balance (in shares) at Jun. 30, 2024							1,471,406
Ending balance at Sep. 30, 2024	59,669,732	$ 0	$ 138,190	84,334,037	(9,040,113)	(10,194,549)	$ (5,567,833)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	359,170			359,170
Vesting of restricted stock awards (in shares)			211,391
Vesting of restricted stock awards	0		$ 2,114	(2,114)
Shares deducted from restricted stock awards for payment of withholding taxes (in shares)			(106,687)
Shares deducted from restricted stock awards for payment of withholding taxes	(952,711)		$ (1,067)	(951,644)
Exercise of stock options (in shares)			37,959				35,248
Exercise of stock options	0		$ 380	(28)			$ (352)
Exercise of warrants (in shares)			60,557
Exercise of warrants	0		$ 606	(606)
Issuance of common stock, net of offering costs (in shares)			1,079,601
Issuance of common stock, net of offering costs	8,897,908		$ 10,796	8,887,112
Net income	6,978,145					6,978,145
Decrease in net unrealized losses on available-for-sale securities, net of tax	$ 3,584,446				3,584,446
Preferred stock, Ending balance (in shares) at Sep. 30, 2024		0
Common stock, Ending balance (in shares) at Sep. 30, 2024			13,818,950
Treasury stock, Ending balance (in shares) at Sep. 30, 2024							1,506,654
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock offering costs			$ 360,670
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 Sep. 30, 2025	$ 107,653,042	$ 0	$ 156,715	99,264,372	(6,744,530)	20,544,492	$ (5,568,007)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	1,241,040			1,241,040
Vesting of restricted stock awards (in shares)			223,204
Vesting of restricted stock awards	0		$ 2,232	(2,232)
Shares deducted from restricted stock awards for payment of withholding taxes (in shares)			(35,942)
Shares deducted from restricted stock awards for payment of withholding taxes	$ (548,500)		$ (359)	(548,141)
Exercise of stock options (in shares)	28,757		52,321
Exercise of stock options	$ 64,591		$ 523	64,068
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)
Exercise of warrants (in shares)			371,634
Exercise of warrants	0		$ 3,716	(3,716)
Issuance of common stock, net of offering costs (in shares)			612,999
Issuance of common stock, net of offering costs	9,470,453		$ 6,130	9,464,323
Dividends	(707,101)					(707,101)
Net income	26,007,467					26,007,467
Decrease in net unrealized losses on available-for-sale securities, net of tax	$ 5,430,946				5,430,946
Preferred stock, Ending balance (in shares) at Sep. 30, 2025		0
Common stock, Ending balance (in shares) at Sep. 30, 2025	14,147,428		15,671,553
Treasury stock, Ending balance (in shares) at Sep. 30, 2025	1,524,125						1,524,125
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock offering costs			$ 338,063
Preferred stock, Beginning balance (in shares) at Jun. 30, 2025		0
Common stock, Beginning balance (in shares) at Jun. 30, 2025			15,661,240
Beginning balance at Jun. 30, 2025	$ 94,877,892	$ 0	$ 156,612	98,840,728	(8,930,559)	10,379,118	$ (5,568,007)
Treasury stock, Beginning balance (in shares) at Jun. 30, 2025							1,524,125
Ending balance at Sep. 30, 2025	107,653,042	$ 0	$ 156,715	99,264,372	(6,744,530)	20,544,492	$ (5,568,007)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	430,173			430,173
Vesting of restricted stock awards (in shares)			6,978
Vesting of restricted stock awards	0		$ 70	(70)
Exercise of stock options (in shares)			3,335
Exercise of stock options	7,503		$ 33	7,470
Offering costs on previously issued common stock	(13,929)			$ (13,929)
Dividends	(707,101)					(707,101)
Net income	10,872,475					$ 10,872,475
Decrease in net unrealized losses on available-for-sale securities, net of tax	$ 2,186,029				$ 2,186,029
Preferred stock, Ending balance (in shares) at Sep. 30, 2025		0
Common stock, Ending balance (in shares) at Sep. 30, 2025	14,147,428		15,671,553
Treasury stock, Ending balance (in shares) at Sep. 30, 2025	1,524,125						1,524,125