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Commitments and contingencies (Tables) | 12 Months Ended
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Mar. 31, 2026
Commitments and Contingencies Disclosure [Abstract] |
Schedule of variable lease components | The table below presents the lease-related costs which are included in the consolidated statements of operations for the years ended as of March 31, 2026 and 2025:
| Year ended March 31,
| 2026 |  | 2025
Lease cost |  |  |
Finance lease costs: |  |  |
Amortization of right-of-use asset | $ | 2,428 |  |  | $ | 2,428 |
Interest on lease liabilities | 2,063 |  |  | 2,118 |
Operating lease costs | 1,156 |  |  | 1,129 |
Total lease cost | $ | 5,647 |  |  | $ | 5,675 |
The following table summarizes the classification of lease costs in the consolidated statement of operations for the years ended March 31, 2026 and 2025 as follows:
| Year ended March 31,
| 2026 |  | 2025
Finance Lease Costs |  |  |
Research and development | $ | 2,428 |  |  | $ | 2,428 |
Other expense | 2,063 |  |  | 2,118 |
Operating Lease Costs |  |  |
Research and development | 887 |  |  | 877 |
Selling, general and administrative | 269 |  |  | 252 |
Total lease cost | $ | 5,647 |  |  | $ | 5,675 |
The following table provides lease disclosure as of and for the years ended March 31, 2026 and 2025:
| March 31, 2026 |  | March 31, 2025
Cash paid for amounts included in the measurement of lease liabilities: |  |  |
Operating cash flows from operating leases | $ | 1,203 |  |  | $ | 1,167 |
Operating cash flows from finance leases | $ | 2,063 |  |  | $ | 2,118 |
Financing cash flows from finance leases | $ | 736 |  |  | $ | 599 |
Weighted-average remaining lease term – operating leases | 3.8 years |  | 4.7 years
Weighted-average remaining lease term – finance leases | 13.3 years |  | 14.3 years
Weighted-average discount rate – operating leases | 10.4 | % |  | 10.4 | %
Weighted-average discount rate – finance leases | 8.3 | % |  | 8.3 | %
Summary of the maturity of company's lease liabilities | The following table summarizes the maturity of the Company’s lease liabilities on an undiscounted cash flow basis and a reconciliation to the operating and finance lease liabilities recognized on our balance sheet as of March 31, 2026:
| March 31, 2026
| Operating leases |  | Finance lease |  | Total
2027 | $ | 1,160 |  |  | $ | 2,883 |  |  | $ | 4,043 |
2028 | 1,106 |  |  | 2,969 |  |  | 4,075 |
2029 | 1,021 |  |  | 3,058 |  |  | 4,079 |
2030 | 587 |  |  | 3,096 |  |  | 3,683 |
2031 | 369 |  |  | 3,096 |  |  | 3,465 |
Thereafter | — |  |  | 25,803 |  |  | 25,803 |
Total lease payments | 4,243 |  |  | 40,905 |  |  | 45,148 |
Less: interest | 757 |  |  | 16,113 |  |  | 16,870 |
Total lease liabilities | $ | 3,486 |  |  | $ | 24,792 |  |  | $ | 28,278 |
Schedule of additional information related to leases | The following table provides lease disclosure as of and for the years ended March 31, 2026 and 2025:
| March 31, 2026 |  | March 31, 2025
Cash paid for amounts included in the measurement of lease liabilities: |  |  |
Operating cash flows from operating leases | $ | 1,203 |  |  | $ | 1,167 |
Operating cash flows from finance leases | $ | 2,063 |  |  | $ | 2,118 |
Financing cash flows from finance leases | $ | 736 |  |  | $ | 599 |
Weighted-average remaining lease term – operating leases | 3.8 years |  | 4.7 years
Weighted-average remaining lease term – finance leases | 13.3 years |  | 14.3 years
Weighted-average discount rate – operating leases | 10.4 | % |  | 10.4 | %
Weighted-average discount rate – finance leases | 8.3 | % |  | 8.3 | %

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- Definition Tabular disclosure of additional information related to leases. + References No definition available. + Details
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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-6 + Details
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