Segmented Information and Geographic Data - Schedule of Total Segment Long-Live Assets Reconciled to Consolidated Amounts (Details) - USD ($) $ in Thousands |
Sep. 30, 2024 |
Mar. 31, 2024 |
|---|---|---|
| Segment Reporting Information [Line Items] | ||
| Property and equipment | $ 720 | $ 710 |
| Intangible assets | 963 | 1,048 |
| Projects under development | 8,524 | 8,468 |
| Right of use assets | 1,250 | 1,370 |
| Total | 11,457 | 11,596 |
| BESS [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Property and equipment | ||
| Intangible assets | ||
| Projects under development | 8,524 | 8,468 |
| Right of use assets | 56 | |
| Total | 8,580 | 8,468 |
| ET [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Property and equipment | 601 | 614 |
| Intangible assets | 963 | 1,048 |
| Projects under development | ||
| Right of use assets | 37 | 63 |
| Total | 1,601 | 1,725 |
| Unallocated [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Property and equipment | 119 | 96 |
| Intangible assets | ||
| Projects under development | ||
| Right of use assets | 1,157 | 1,307 |
| Total | $ 1,276 | $ 1,403 |