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Stock-based Compensation - Stock Options -Time-based Awards (Details) - Stock options - time based
$ / shares in Units, $ in Millions
 12 Months Ended
Jun. 30, 2023
USD ($)
$ / shares
shares
Number of awards  
Outstanding balance, beginning (in shares) | shares 554,499
Granted (in shares) | shares 162,162
Forfeited (in shares) | shares 0
Exercised (in shares) | shares 0
Expired (in shares) | shares 0
Outstanding balance, ending (in shares) | shares 716,661
Exercisable balance (in shares) | shares 207,936
Weighted average grant-date fair value per share  
Outstanding balance, beginning (in dollars per share) | $ / shares $ 1.61
Granted (in dollars per share) | $ / shares 0.80
Forfeited (in dollars per share) | $ / shares 0
Exercised (in dollars per share) | $ / shares 0
Expired (in dollars per share) | $ / shares 0
Outstanding balance, ending (in dollars per share) | $ / shares 1.43
Exercisable balance (in dollars per share) | $ / shares $ 0.21
Unrecognized compensation cost | $ $ 0.4
Weighted-average period (in years) 1 year 9 months 18 days