Share-Based Compensation - Narrative (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Jun. 30, 2025 USD ($) definedBenefitPlan $ / shares shares	Jun. 30, 2024 USD ($) $ / shares	Jun. 30, 2023 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 0.0	$ 0.0
Total fair value of awards vested		0.0
Unrecognized compensation cost related to restricted stock	$ 0.8	$ 1.6
NQOs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	33.00%
Number of anniversaries | definedBenefitPlan	3
Number of options granted (shares) | shares	0
Share price (in dollars per share) | $ / shares	$ 1.37	$ 2.68
Number of options exercised (in shares) | shares	0
Proceeds from stock option exercises	$ 0.0	$ 0.0	$ 0.0
Compensation expense recognized	0.0	0.0
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense recognized	$ 1.3	$ 1.7
Weighted average grant date fair value (in dollars per share) | $ / shares	$ 2.19	$ 3.02
Total grant-date fair value	$ 1.4
Total fair value of awards vested	0.8	$ 1.3
Unrecognized compensation cost related to restricted stock	$ 1.3	1.7
Period for recognition	11 months 26 days
Performance-Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense recognized	$ 0.7	$ 0.5
Weighted average grant date fair value (in dollars per share) | $ / shares	$ 2.20	$ 2.95
Total grant-date fair value	$ 1.3
Unrecognized compensation cost related to restricted stock	$ 1.3	$ 0.9
Period for recognition	2 years 10 days
Cash-Settled Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense recognized	$ 0.6	$ 0.5
Weighted average grant date fair value (in dollars per share) | $ / shares	$ 2.13	$ 2.50
Total grant-date fair value	$ 1.3
Total fair value of awards vested	$ 0.4	$ 0.2
Period for recognition	1 year 2 months 1 day
Award vesting period	3 years
2017 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant (in shares) | shares	974,480
Shares authorized (shares) | shares	3,550,000
2020 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant (in shares) | shares	6,246
Shares authorized (shares) | shares	300,000