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Common Stock Warrants- Common Stock Warrants (Details) - Common Stock Warrants - USD ($)	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Common Stock Warrants
Number of Shares, Outstanding and exercisable (in shares)	6,862	8,004
Number of Shares, Granted (in shares)	1,144	1,144
Number of Shares, Expired (in shares)	(2,286)	(2,286)
Number of Shares, Outstanding and exercisable (in shares)	5,720	6,862
Weighted Average Exercise Price per share, Outstanding and exercisable (dollars per share)	$ 3.64	$ 4.96
Weighted Average Exercise Price per share, Granted (dollars per share)	1.79	1.76
Weighted Average Exercise Price per share, Expired (dollars per share)	5.26	5.26
Weighted Average Exercise Price per share, Outstanding and exercisable (dollars per share)	$ 2.62	$ 3.64
Weighted Average Remaining Contractual life Term (years), Granted	3 years 6 months	3 years 6 months
Weighted Average Remaining Contractual life Term (years), Outstanding and exercisable	1 year 8 months 12 days	1 year 8 months 1 day
Aggregate Intrinsic Value, Outstanding and exercisable (in dollars)	$ 4	$ 399	$ 238

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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