Equity Incentive Plans StockBased Compensation Exercise of Options and Warrants Outstanding (Details 1) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Total stock-based compensation expense	$ 152,000	$ 31,000	$ 192,000	$ 93,000
Research and Development Expense [Member]
Total stock-based compensation expense	111,000	0	111,000	0
General and Administrative Expense [Member]
Total stock-based compensation expense	$ 41,000	$ 31,000	$ 81,000	$ 93,000