Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - USD ($)	Common Stock Outstanding [Member]	Additional Paid-in Capital [Member]	Treasury Stock, Common [Member]	Deferred Compensation, Share-Based Payments [Member]	Retained Earnings [Member]	Total
Balance	$ 195,471	$ 94,048,603	$ (3,749,027)	$ (5,697,900)	$ (70,863,049)	$ 13,934,098
Balance (in shares) at Dec. 31, 2022	27,044,900
Balance at Dec. 31, 2022	$ 195,471	94,048,603	(3,749,027)	(5,697,900)	(70,863,049)	13,934,098
Issuance of common stock under equity incentive plan (in shares)	1,421,250
Issuance of common stock under equity incentive plan	$ 1,421	2,638,529	0	(2,444,054)	0	195,896
Deferred compensation amortization	0	0	0	308,676	0	308,676
Purchase of treasury stock costs	0	0	(8,529)	0	0	(8,529)
Net income (loss)	$ 0	0	0	0	14,833	14,833
Balance (in shares) at Mar. 31, 2023	28,466,150
Balance (in shares) at Dec. 31, 2022	27,044,900
Balance at Dec. 31, 2022	$ 195,471	94,048,603	(3,749,027)	(5,697,900)	(70,863,049)	13,934,098
Net income (loss)						219,874
Balance (in shares) at Jun. 30, 2023	28,462,606
Balance	$ 196,892	96,687,132	(3,757,556)	(7,833,278)	(70,848,216)	14,444,974
Balance (in shares) at Mar. 31, 2023	28,466,150
Balance at Mar. 31, 2023	$ 196,892	96,687,132	(3,757,556)	(7,833,278)	(70,848,216)	14,444,974
Issuance of common stock under equity incentive plan (in shares)	111,456
Issuance of common stock under equity incentive plan	$ 111	354,199	0	(34,452)	0	319,858
Deferred compensation amortization	0	0	0	343,123	0	343,123
Purchase of treasury stock costs	0	0	(10,507)	0	0	(10,507)
Net income (loss)	$ 0	0	0	0	205,041	205,041
Reversal of deferred compensation amortization that did not vest (in shares)	(115,000)
Reversal of deferred compensation amortization that did not vest	$ (115)	(188,088)	0	103,091	0	(85,112)
Non-cash return of common stock	$ 0	0	(156,162)	0	0	(156,162)
Balance (in shares) at Jun. 30, 2023	28,462,606
Balance	$ 196,888	96,853,243	(3,924,225)	(7,421,516)	(70,643,175)	15,061,215
Balance	$ 197,087	97,479,830	(4,362,150)	(6,907,775)	(71,338,153)	15,068,839
Balance (in shares) at Dec. 31, 2023	28,671,606
Balance at Dec. 31, 2023	$ 197,087	97,479,830	(4,362,150)	(6,907,775)	(71,338,153)	15,068,839
Issuance of common stock under equity incentive plan (in shares)	107,600
Issuance of common stock under equity incentive plan	$ 107	153,118	0	0	0	153,225
Deferred compensation amortization				346,047		346,047
Purchase of treasury stock costs	0	0	(44,823)	0	0	(44,823)
Net income (loss)	$ 0	0	0	0	(250,188)	(250,188)
Balance (in shares) at Mar. 31, 2024	28,779,206
Balance (in shares) at Dec. 31, 2023	28,671,606
Balance at Dec. 31, 2023	$ 197,087	97,479,830	(4,362,150)	(6,907,775)	(71,338,153)	15,068,839
Net income (loss)						(174,696)
Balance (in shares) at Jun. 30, 2024	29,764,435
Balance	$ 197,194	97,632,948	(4,406,973)	(6,561,728)	(71,588,341)	15,273,100
Balance (in shares) at Mar. 31, 2024	28,779,206
Balance at Mar. 31, 2024	$ 197,194	97,632,948	(4,406,973)	(6,561,728)	(71,588,341)	15,273,100
Issuance of common stock under equity incentive plan (in shares)	994,049
Issuance of common stock under equity incentive plan	$ 994	1,610,320	0	(1,497,300)	0	114,014
Deferred compensation amortization				346,048		346,048
Purchase of treasury stock costs	0	0	(104,946)	0	0	(104,946)
Net income (loss)	$ 0	0	0	0	75,492	75,492
Issuance of common stock under employee stock purchase plan (in shares)	6,180
Issuance of common stock under employee stock purchase plan	$ 6	10,504	0	0	0	10,510
Reversal of deferred compensation amortization that did not vest (in shares)	(15,000)
Reversal of deferred compensation amortization that did not vest	$ (15)	(31,305)	0	31,320	0	0
Balance (in shares) at Jun. 30, 2024	29,764,435
Balance	$ 198,179	$ 99,222,467	$ (4,511,919)	$ (7,681,660)	$ (71,512,849)	$ 15,714,218