v3.26.3
Share Based Compensation - Summary of RSU, DSU and PSU Activity (Detail) - 2022 Equity Compensation Plan [Member] - $ / shares
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Serviced-Based Shares [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Beginning balance 55,600 16,000
Granted 264,300 64,800
Vested (56,500) (24,700)
Forfeited (16,100) (500)
Ending balance 247,300 55,600
Weighted Average Grant Date Fair Value per Share, Beginning balance $ 11.36 $ 58.95
Weighted Average Grant Date Fair Value per Share, Granted 2.19 7.29
Weighted Average Grant Date Fair Value per Share, Vested 7.55 31.41
Weighted Average Grant Date Fair Value per Share, Forfeited 3.71 13.6
Weighted Average Grant Date Fair Value per Share, Ending balance $ 2.93 $ 11.36
Performance-Based Shares [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Beginning balance 22,800 4,100
Granted 216,100 [1] 19,800 [2]
Vested (400) 0
Forfeited (36,200) (1,100)
Ending balance 202,300 22,800
Weighted Average Grant Date Fair Value per Share, Beginning balance $ 30.11 $ 131.68
Weighted Average Grant Date Fair Value per Share, Granted 1.55 11.62
Weighted Average Grant Date Fair Value per Share, Vested 266.3 0
Weighted Average Grant Date Fair Value per Share, Forfeited 3.58 76.66
Weighted Average Grant Date Fair Value per Share, Ending balance $ 3.84 $ 30.11
Restricted Share ("RSU") and Performance Share Units ("PSU")    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Beginning balance 78,400 20,100
Granted 480,400 84,600
Vested (56,900) (24,700)
Forfeited (52,300) (1,600)
Ending balance 449,600 78,400
[1] During the year ended June 30, 2026, approximately 216.1 thousand PSUs were granted, which based on the achievement of certain financial and operational targets, could vest within a range of 0% to 100%. The targets are 1) construction of the large-scale commercial facility commencing prior to June 30, 2027; 2) an approved final investment decision in the large-scale commercial facility at a modeled internal rate of return of 18%; and 3) the Company’s share price exceeding $8.80 per share. The determination of the percentage of shares that ultimately vest will be made on the three-year anniversary of the grant date based upon achievement of the performance targets over the period.
[2] During the year ended June 30, 2025, approximately 19.8 thousand PSUs were granted, which based on the achievement of certain financial and operational targets, could vest within a range of 0% to 100%. The targets are 1) construction of the large-scale commercial facility commencing prior to September 1, 2026; 2) an approved final investment decision in the large-scale commercial facility at a modeled internal rate of return of 20%; 3) achievement of an enterprise value in excess of $200 million; and 4) achievement of an enterprise value in excess of $300 million. The determination of the percentage of shares that ultimately vest will be made on the three-year anniversary of the grant date based upon achievement of the performance targets over the period.