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Common Stock Warrants | 3 Months Ended
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Sep. 30, 2025
Common Stock Warrants |
Common Stock Warrants | Note 9 - Common Stock Warrants ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Average | ​ | Weighted | ​ | ​ | ​
​ | ​ | ​ | ​ | Exercise | ​ | Average | ​ | ​ | ​
​ | ​ | ​ | ​ | Price | ​ | Remaining | ​ | Aggregate
​ | ​ | Number of | ​ | per share | ​ | Contractual Term | ​ | Intrinsic Value
Common Stock Warrants |  | Shares |  | ($) |  | (years) |  | ($)
Outstanding and exercisable at June 30, 2025 | ​ | 5,720 | ​ | $ | 2.62 | ​ | 1.70 | ​ | $ | 4
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Granted | ​ | 286 | ​ | ​ | 1.79 | ​ | 3.87 | ​ | ​ | —
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Expired | ​ | (572) | ​ | ​ | 4.65 | ​ | — | ​ | ​ | —
Outstanding and exercisable at September 30, 2025 | ​ | 5,434 | ​ | $ | 2.36 | ​ | 1.74 | ​ | $ | 4
​ Of the outstanding warrants at September 30, 2025, 1,716 expire in fiscal year ending June 30, 2026, 1,144 expire in fiscal year ending June 30, 2027, 1,144 warrants expire in the fiscal year ending June 30, 2028, 1,144 warrants expire in the fiscal year ending June 30, 2029, and 286 warrants expire in the fiscal year ending June 30, 2030.

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