Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Mar. 31, 2021	Jun. 30, 2020
Current assets:
Cash	$ 1,670,720	$ 560,828
Prepaid expenses	6,059	7,965
Deposits	1,000	1,000
Total current assets	1,677,779	569,793
Property and equipment, net (Note 3)	748	1,368
Total assets	1,678,527	571,161
Current liabilities:
Accounts payable and accrued expenses	548,914	628,926
Series B Redeemable Convertible Preferred stock, $0.01 par value, 50,000 shares authorized; 200 shares issued and outstanding, liquidation preference of $39,500 and $38,000, respectively (Note 7)	36,900	35,400
Paycheck Protection Program loan (Note 5)		14,933
Deferred compensation (Note 4)	1,012,159	778,217
Loan payable and accrued interest (Note 5)	9,797,842	9,585,883
Total current liabilities	11,395,815	11,043,359
Paycheck Protection Program loan (Note 5)		19,919
Convertible notes payable - affiliates (Note 6)	4,747,829	4,595,841
Total liabilities	16,143,644	15,659,119
Deficit:
Common stock, no par value, 100,000,000 shares authorized, 35,786,310 and 31,409,005 shares issued, respectively; 35,082,001 and 30,704,696 shares outstanding, respectively
Additional paid-in capital	117,688,204	114,266,683
Subscription receivable - affiliates (Note 8)	(504,650)	(504,650)
Accumulated deficit	(131,688,315)	(128,891,893)
Total Bion's stockholders’ deficit	(14,504,761)	(15,129,860)
Noncontrolling interest	39,644	41,902
Total deficit	(14,465,117)	(15,087,958)
Total liabilities and deficit	1,678,527	571,161
Series A Preferred Stock [Member]
Deficit:
Preferred stock
Series C Preferred Stock [Member]
Deficit:
Preferred stock