REVENUE RECOGNITION - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Disaggregation of Revenue [Line Items] | ||||
| Total revenue | $ 17,369 | $ 8,512 | $ 39,248 | $ 17,046 |
| Sale of energy storage products | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Revenue | 14,696 | 7,711 | 34,406 | 12,602 |
| Tolling and power purchase agreement (“PPA”) revenue | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Tolling and power purchase agreement (“PPA”) revenue | 2,026 | 390 | 3,554 | 390 |
| Operation and maintenance services | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Revenue | 445 | 277 | 889 | 553 |
| Software licensing | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Revenue | 187 | 120 | 369 | 232 |
| Intellectual property (“IP”) licensing | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Revenue | 15 | 14 | 30 | 3,269 |
| Tolling revenue | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Tolling and power purchase agreement (“PPA”) revenue | $ 1,100 | $ 400 | $ 1,600 | $ 400 |
| X | ||||||||||
- Definition Tolling Revenue and Power Purchase Agreements No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|