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Common Stock Warrants | 12 Months Ended
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Jun. 30, 2025
Common Stock Warrants |
Common Stock Warrants | Note 9 – Common Stock Warrants Stock Warrants ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted | ​ | Weighted | ​ | ​ | ​
​ | ​ | ​ | ​ | Average | ​ | Average | ​ | ​
​ | ​ | Number of | ​ | Exercise | ​ | Remaining | ​ | Aggregate
​ |  | Shares |  | Price |  | Contractual life |  | Intrinsic
Outstanding and exercisable at July 1, 2023 |  | 8,004 | ​ | $ | 4.96 | ​ | — | ​ | $ | 238
Granted | ​ | 1,144 | ​ | ​ | 1.76 | ​ | 3.50 | ​ | ​ | —
Exercised | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | —
Expired | ​ | 2,286 | ​ | ​ | 5.26 | ​ | — | ​ | ​ | —
Canceled | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | —
Outstanding and exercisable at June 30, 2024 | ​ | 6,862 | ​ | $ | 3.64 | ​ | 1.67 | ​ | $ | 399
Granted | ​ | 1,144 | ​ | ​ | 1.79 | ​ | 3.50 | ​ | ​ | —
Exercised | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | —
Expired | ​ | 2,286 | ​ | ​ | 5.26 | ​ | — | ​ | ​ | —
Canceled | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | —
Outstanding and exercisable at June 30, 2025 | ​ | 5,720 | ​ | $ | 2.62 | ​ | 1.70 | ​ | $ | 4
​ Of the above warrants; 2,288 expire in fiscal year ending June 30, 2026; 1,144 expire in fiscal year ending June 30, 2027; 1,144 expire in fiscal year ending June 30, 2028 and 1,144 expire in fiscal year ending June 30, 2029.

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