CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS EQUITY - USD ($)	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Treasury Stock
Balance, shares at Jun. 30, 2021		6,477,945				19,802
Balance, amount at Jun. 30, 2021	$ 26,224,800	$ 324,000	$ 26,613,500	$ (9,200)	$ (651,100)	$ 52,400
Net loss	(13,668,100)	$ 0	0	0	(13,668,100)	0
Issuance of Common Stock and Warrants, net of issuance costs (Note 12), shares		545,456
Issuance of Common Stock and Warrants, net of issuance costs (Note 12), amount	2,727,200	$ 27,200	2,700,000	0	0	0
Foreign currency translation adjustment	(86,200)	0	0	(86,200)	0	0
Unrealized holding loss on investment securities, net of tax	(10,200)	0	0	(10,200)	0	0
Stock-based compensation	2,350,600	$ 0	2,350,600	0	0	$ 0
Balance, shares at Jun. 30, 2022		7,023,401				19,802
Balance, amount at Jun. 30, 2022	17,538,100	$ 351,200	31,664,100	(105,600)	(14,319,200)	$ 52,400
Net loss	(4,079,400)	0	0	0	(4,079,400)	0
Foreign currency translation adjustment	88,600	0	0	88,600	0	0
Stock-based compensation	1,236,700	0	1,236,700	0	0	0
Unrealized holding gain on investment securities, net of tax	8,600	$ 0	0	8,600	0	$ 0
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	(9,086,500)	$ 0	0	0	(9,086,500)	0
Issuance of Common Stock and Warrants, net of issuance costs (Note 12), shares		3,141,612
Issuance of Common Stock and Warrants, net of issuance costs (Note 12), amount	3,638,400	$ 157,100	3,481,300	0	0	0
Foreign currency translation adjustment	25,400	0	0	25,400	0	0
Stock-based compensation	2,240,100	0	2,240,100	0	0	0
Unrealized holding gain on investment securities, net of tax	1,600	0	0	1,600	0	0
Fair value modification of warrants recorded as stock issuance costs	2,112,800	0	2,112,800	0	0	0
Issuance of warrants	161,000	$ 0	161,000	0	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 Dec. 31, 2023		10,145,211				0
Balance, amount at Dec. 31, 2023	$ 13,885,400	$ 507,300	$ 40,844,600	$ 18,600	$ (27,485,100)	$ 0