CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS EQUITY (UNAUDITED) - USD ($)	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Treasury Stock
Balance, shares at Dec. 31, 2022		7,023,401				19,802
Balance, amount at Dec. 31, 2022	$ 14,792,600	$ 351,200	$ 32,900,800	$ (8,400)	$ (18,398,600)	$ 52,400
Net loss	(2,370,500)	0	0	0	(2,370,500)	0
Foreign currency translation adjustment	40,200	0	0	40,200	0	0
Unrealized holding gain on investment securities, net of tax	3,700	0	0	3,700	0	0
Stock-based compensation	602,600	$ 0	602,600	0	0	$ 0
Balance, shares at Mar. 31, 2023		7,023,401				19,802
Balance, amount at Mar. 31, 2023	13,068,600	$ 351,200	33,503,400	35,500	(20,769,100)	$ 52,400
Balance, shares at Dec. 31, 2022		7,023,401				19,802
Balance, amount at Dec. 31, 2022	14,792,600	$ 351,200	32,900,800	(8,400)	(18,398,600)	$ 52,400
Stock-based compensation	2,033,000
Balance, shares at Sep. 30, 2023		7,003,599
Balance, amount at Sep. 30, 2023	9,878,000	$ 350,200	34,882,400	(92,400)	(25,262,200)
Balance, shares at Mar. 31, 2023		7,023,401				19,802
Balance, amount at Mar. 31, 2023	13,068,600	$ 351,200	33,503,400	35,500	(20,769,100)	$ 52,400
Net loss	(2,292,000)	0	0	0	(2,292,000)	0
Foreign currency translation adjustment	(30,100)	0	0	(30,100)	0	0
Stock-based compensation	584,700	0	584,700	0	0	0
Unrealized holding loss on investment securities, net of tax	(2,100)	$ 0	0	(2,100)	0	$ 0
Retirement of treasury stock, shares		(19,802)				(19,802)
Retirement of treasury stock, amount	0	$ (1,000)	(51,400)	0	0	$ (52,400)
Balance, shares at Jun. 30, 2023		7,003,599
Balance, amount at Jun. 30, 2023	11,329,100	$ 350,200	34,036,700	3,300	(23,061,100)	0
Net loss	(2,201,000)	0	0	0	(2,201,000)	0
Foreign currency translation adjustment	(95,700)	0	0	(95,700)	0	0
Stock-based compensation	845,700	$ 0	845,700	0	0	0
Balance, shares at Sep. 30, 2023		7,003,599
Balance, amount at Sep. 30, 2023	9,878,000	$ 350,200	34,882,400	(92,400)	(25,262,200)
Balance, shares at Dec. 31, 2023		10,145,211
Balance, amount at Dec. 31, 2023	13,885,400	$ 507,300	40,844,600	18,600	(27,485,100)
Net loss	(2,051,600)	0	0	0	(2,051,600)	0
Foreign currency translation adjustment	(60,300)	0	0	(60,300)	0	0
Stock-based compensation	199,900	$ 0	199,900	0	0	0
Issuance of Common Stock and Warrants, net of issuance costs (Note 7), shares		358,388
Issuance of Common Stock and Warrants, net of issuance costs (Note 7), amount	221,900	$ 17,900	204,000		0	0
Fair value modification of warrants recorded as stock issuance costs	423,800	$ 0	423,800		0	0
Balance, shares at Mar. 31, 2024		10,503,599
Balance, amount at Mar. 31, 2024	12,619,100	$ 525,200	41,672,300	(41,700)	(29,536,700)	0
Balance, shares at Dec. 31, 2023		10,145,211
Balance, amount at Dec. 31, 2023	13,885,400	$ 507,300	40,844,600	18,600	(27,485,100)
Stock-based compensation	849,700
Balance, shares at Sep. 30, 2024		10,503,599
Balance, amount at Sep. 30, 2024	10,934,600	$ 525,200	42,322,100	87,700	(32,000,400)	0
Balance, shares at Mar. 31, 2024		10,503,599
Balance, amount at Mar. 31, 2024	12,619,100	$ 525,200	41,672,300	(41,700)	(29,536,700)	0
Net loss	(1,283,600)	0	0	0	(1,283,600)	0
Foreign currency translation adjustment	15,800	0	0	15,800	0	0
Stock-based compensation	330,300	$ 0	330,300	0	0	0
Balance, shares at Jun. 30, 2024		10,503,599
Balance, amount at Jun. 30, 2024	11,681,600	$ 525,200	42,002,600	(25,900)	(30,820,300)	0
Net loss	(1,180,100)	0	0	0	(1,180,100)	0
Foreign currency translation adjustment	113,600	0	0	113,600	0	0
Stock-based compensation	319,500	$ 0	319,500	0	0	0
Balance, shares at Sep. 30, 2024		10,503,599
Balance, amount at Sep. 30, 2024	$ 10,934,600	$ 525,200	$ 42,322,100	$ 87,700	$ (32,000,400)	$ 0