CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS EQUITY - USD ($)	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Accumulated Deficit Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Balance, shares at Jul. 01, 2020		2,881,065	19,802
Balance, amount at Jul. 01, 2020	$ 11,721,400	$ 144,100	$ 52,400	$ 8,608,300	$ 3,021,400
Net loss	(263,300)	0	0	0	(263,300)
Stock-based compensation	61,300	$ 0	$ 0	61,300	0
Balance, shares at Sep. 30, 2020		2,881,065	19,802
Balance, amount at Sep. 30, 2020	11,519,400	$ 144,100	$ 52,400	8,669,600	2,758,100
Net loss	(612,500)	0	0	0	(612,500)
Stock-based compensation	76,100	$ 0	$ 0	76,100	0
Balance, shares at Dec. 31, 2020		2,881,065	19,802
Balance, amount at Dec. 31, 2020	10,983,000	$ 144,100	$ 52,400	8,745,700	2,145,600
Net loss	(1,435,600)	0	0	0	(1,435,600)
Stock-based compensation	1,292,000	$ 0	0	1,292,000	0
Stock options exercised, shares		1,000
Stock options exercised, amount	3,000	$ 100	$ 0	2,900	0
Foreign currency translation adjustment	0
Balance, shares at Mar. 31, 2021		2,882,065	19,802
Balance, amount at Mar. 31, 2021	10,842,400	$ 144,200	$ 52,400	10,040,600	710,000
Balance, amount at Jun. 30, 2021	26,224,800
Net loss	(3,640,300)
Foreign currency translation adjustment	(90,500)
Unrealized holding gain on investment securities, net of tax	102,800
Balance, shares at Mar. 31, 2022		7,023,401	19,802
Balance, amount at Mar. 31, 2022	27,136,200	$ 351,200	$ 52,400	31,233,600	(4,291,400)	$ (104,800)
Balance, shares at Jul. 01, 2021		6,477,945	19,802
Balance, amount at Jul. 01, 2021	26,224,800	$ 324,000	$ 52,400	26,613,500	(651,100)	(9,200)
Net loss	(1,208,800)	0	0	0	(1,208,800)	0
Stock-based compensation	675,400	0	0	675,400	0	0
Foreign currency translation adjustment	34,100	0	0	0	0	34,100
Unrealized holding gain on investment securities, net of tax	2,200	$ 0	$ 0	0	0	2,200
Balance, shares at Sep. 30, 2021		6,477,945	19,802
Balance, amount at Sep. 30, 2021	25,727,700	$ 324,000	$ 52,400	27,288,900	(1,859,900)	27,100
Net loss	(896,500)	0	0	0	(896,500)	0
Stock-based compensation	591,000	0	0	591,000	0	0
Foreign currency translation adjustment	69,900	0	0	0	0	69,900
Unrealized holding gain on investment securities, net of tax	(2,600)	$ 0	$ 0	0	0	(2,600)
Balance, shares at Dec. 31, 2021		6,477,945	19,802
Balance, amount at Dec. 31, 2021	25,489,500	$ 324,000	$ 52,400	27,879,900	(2,756,400)	94,400
Net loss	(1,535,000)	0	0	0	(1,535,000)	0
Stock-based compensation	653,700	0	0	653,700	0	0
Foreign currency translation adjustment	(194,500)	0	0		0	(194,500)
Unrealized holding gain on investment securities, net of tax	(4,700)	$ 0	0	0	0	(4,700)
Issuance of Common Stock and Warrants, net of issuance costs, shares		545,456
Issuance of Common Stock and Warrants, net of issuance costs, amount	2,727,200	$ 27,200	$ 0	2,700,000	0	0
Balance, shares at Mar. 31, 2022		7,023,401	19,802
Balance, amount at Mar. 31, 2022	$ 27,136,200	$ 351,200	$ 52,400	$ 31,233,600	$ (4,291,400)	$ (104,800)