CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (3,929,000)	$ (7,347,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock based compensation	192,000	93,000
Amortization of patent costs	191,000	188,000
Gain on forgiveness of loans payable	(172,000)	0
Interest expense-preferred stock	0	2,672,000
Changes in operating assets and liabilities:
Prepaid expenses and security deposits	453,000	8,000
Accounts payable	(265,000)	(61,000)
Accrued expenses	(226,000)	435,000
Accrued officers' salaries and payroll taxes	(380,000)	(604,000)
Operating lease liability	(79,000)	(66,000)
Note payable to officer	0	(23,000)
Accrued dividend	14,000	0
Net cash used in operating activities	(4,201,000)	(4,705,000)
CASH FLOWS FROM INVESTING ACTIVITIES:
Patent costs	(44,000)	(43,000)
Net cash used in investing activities	(44,000)	(43,000)
CASH FLOWS FROM FINANCING ACTIVITIES:
Sale of common stock, net of offering costs	0	4,603,000
Proceeds from issuance of preferred stocks and warrants, net of financing costs	0	2,990,000
Proceeds from exercise of preferred stock warrants	4,983,000	0
Proceeds from exercise of options	23,000	0
Purchase of treasury stock	0	(670,000)
Repayment of note payable to officer	(1,033,000)	0
Net cash provided by financing activities	3,973,000	6,923,000
NET INCREASE (DECREASE) IN CASH	(272,000)	2,175,000
CASH, BEGINNING OF PERIOD	10,194,000	6,018,000
CASH, END OF PERIOD	9,922,000	8,193,000
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest	29,000	29,000
Cash paid for tax	0	0
SUPPLEMENTAL DISCLOSURE OF NON-CASH FLOW INVESTING AND FINANCING ACTIVITIES
Shares issued as deferred offering costs	0	1,438,000
Cancellation of shareholder debt for the purchase of 3.1M shares of Common Stock Class B shares	0	342,000
Conversion of Series B Convertible Preferred stock to Common stock	$ 3,509,000	$ 0