Segment information (Details) - USD ($) |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Mar. 31, 2025 |
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2026 |
Dec. 31, 2025 |
Mar. 31, 2025 |
Jun. 30, 2025 |
Jun. 30, 2024 |
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| Total operating expenses | $ (590) | $ (10,000) | |||||||
| General and administrative expenses | |||||||||
| Loss from operations | (590) | (10,000) | |||||||
| Income tax expenses | |||||||||
| Net loss | $ (590) | (10,000) | |||||||
| D. Boral ARC Acquisition I Corp [Member] | |||||||||
| Total operating expenses | $ (5,420) | (531,741) | $ (320,658) | ||||||
| Interest income on cash held in trust account | 2,543,059 | 4,776,628 | |||||||
| Cash held in Trust Account | 287,319,687 | 284,776,628 | |||||||
| General and administrative expenses | |||||||||
| Loss from operations | (320,658) | ||||||||
| Net loss | $ (5,420) | 2,011,318 | $ 4,455,970 | ||||||
| Exascale Labs Inc. [Member] | |||||||||
| Total operating expenses | (1,808,901) | $ (859,617) | $ (4,477,022) | $ (3,110,926) | $ (4,150,043) | $ (1,901,396) | |||
| Revenues | 3,754,586 | 1,862,158 | 10,561,331 | 4,475,885 | 7,015,512 | 1,319,115 | |||
| Cost of revenues | (3,167,659) | (1,649,077) | (8,902,966) | (3,827,444) | (5,910,315) | (1,263,548) | |||
| Research and development expenses | (1,235,476) | (377,999) | (3,238,185) | (2,115,853) | (2,797,906) | (1,365,433) | |||
| Selling and marketing expenses | |||||||||
| – Staff costs, employee benefits and office expenses | (104,729) | (277,511) | (310,582) | (573,648) | (835,889) | (262,614) | |||
| – Share-based compensation | (101,000) | (153,266) | (153,266) | ||||||
| General and administrative expenses | |||||||||
| – Staff costs, employee benefits and Others | (360,657) | (3,890) | (563,641) | (33,785) | (328,662) | (244,651) | |||
| – Professional service expenses | (108,039) | (99,217) | (364,614) | (234,374) | (34,320) | (7,594) | |||
| – Share-based compensation | (21,104) | ||||||||
| Loss from operations | (1,221,974) | (646,536) | (2,818,657) | (2,462,485) | (3,044,846) | (1,845,829) | |||
| Change in fair value of simple agreements for future equity | (1,410,457) | (890,523) | (5,098,320) | (3,716,052) | (4,614,821) | (3,110,518) | |||
| Loss before income tax expenses | (7,659,667) | (4,956,347) | |||||||
| Income tax expenses | |||||||||
| Net loss | (2,632,431) | (1,537,059) | (7,916,977) | (6,178,537) | (7,659,667) | (4,956,347) | |||
| Gross profit | $ 586,927 | $ 213,081 | $ 1,658,365 | $ 648,441 | $ 1,105,197 | $ 55,567 | |||
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- Definition The aggregate cost of goods produced and sold and services rendered during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of interest income earned from interest bearing assets classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of tax expense (benefit) allocated to other comprehensive income (loss) before reclassification adjustment from accumulated other comprehensive income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Professional and contract service expense includes cost reimbursements for support services related to contracted projects, outsourced management, technical and staff support. No definition available.
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- 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/exampleRef
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