Consolidated Statement of Changes in Stockholders' Equity - 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 (in shares) at Dec. 31, 2021	26,807,145
Balance at Dec. 31, 2021	$ 195,235	$ 93,100,129	$ (2,404,458)	$ (6,842,195)	$ (65,379,805)	$ 18,668,906
Issuance of common stock under equity incentive plan (in shares)	369,755
Issuance of common stock under equity incentive plan	$ 368	1,182,939	0	(166,329)	0	1,016,978
Warrant compensation cost	$ 0	20,963	0	0	0	20,963
Reversal of deferred compensation amortization that did not vest (in shares)	(132,000)
Reversal of deferred compensation amortization that did not vest	$ (132)	(255,428)	0	145,498	0	(110,062)
Deferred compensation amortization				1,165,126		1,165,126
Purchase of treasury stock	0	0	(1,344,569)	0	0	(1,344,569)
Net (loss)	$ 0	0	0	0	(5,483,244)	(5,483,244)
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)	1,731,506
Issuance of common stock under equity incentive plan	$ 1,731	3,619,315	0	(2,650,505)	0	970,541
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)
Deferred compensation amortization				1,337,539		1,337,539
Purchase of treasury stock	0	0	(456,961)	0	0	(456,961)
Net (loss)	0	0	0	0	(475,104)	(475,104)
Non-cash return of treasury stock	$ 0	0	(156,162)	0	0	(156,162)
Balance (in shares) at Dec. 31, 2023	28,661,406
Balance at Dec. 31, 2023	$ 197,087	$ 97,479,830	$ (4,362,150)	$ (6,907,775)	$ (71,338,153)	$ 15,068,839