CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS EQUITY - USD ($)	Total	Common Stock	Additional Paid-In Capital	Accumulated other comprehensive loss	Retained Earnings (Accumulated Deficit)	Treasury Stock
Balance, shares at Jun. 30, 2020		2,881,065				19,802
Balance, amount at Jun. 30, 2020	$ 11,721,400	$ 144,100	$ 8,608,300	$ 0	$ 3,021,400	$ 52,400
Net loss	(3,672,500)	$ 0	0	0	(3,672,500)	0
Issuance of Common Stock and Warrants, net of issuance cost (Note 14), shares		3,595,880
Issuance of Common Stock and Warrants, net of issuance cost (Note 14), amount	16,074,000	$ 179,800	15,894,200	0	0	0
Foreign currency translation adjustment	(9,200)			(9,200)	0
Exercise of stock options for Common Stock, shares		1,000
Exercise of stock options for Common Stock, amount	3,100	$ 100	3,000	0	0	0
Stock-based compensation	2,108,000	$ 0	2,108,000	0	0	$ 0
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 cost (Note 14), shares		545,456
Issuance of Common Stock and Warrants, net of issuance cost (Note 14), amount	2,727,200	$ 27,200	2,700,000	0	0	0
Foreign currency translation adjustment	(86,200)	0		(86,200)	0	0
Stock-based compensation	2,350,600	0	2,350,600	0	0	0
Unrealized holding loss on investment securities, net of tax	(10,200)	$ 0	0	(10,200)	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
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		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