v3.26.3
Income tax - Summary of Effective Tax Rate (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Reconciliation of average effective tax rate and applicable tax rate [abstract]    
Loss before tax from continuing operations $ (86,549) $ (6,343)
Tax using the Company's domestic tax rate (22,211) (1,637)
Effect of tax rates in foreign jurisdictions 510 21
Tax rate changes and other adjustments 99 53
Tax effect of:    
Share based compensation 638 751
Other non-deductible expenses (72) (132)
Scientific Research and Experimental Development 85 (21)
Impact of Section 382 limitation 148 0
Sale of VoIP Supply LLC 0 210
Goodwill impairment 15,071 0
Change in prior years position 277 (578)
Income tax (recovery) expense $ (5,455) $ (1,333)