{"cik":1512228,"taxonomy":"us-gaap","tag":"AmortizationOfIntangibleAssets","label":"Amortization of Intangible Assets","description":"The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.","entityName":"NioCorp Developments Ltd.","units":{"USD":[{"start":"2025-07-01","end":"2025-09-30","val":0,"accn":"0001193125-26-449936","fy":2027,"fp":"Q1","form":"10-Q","filed":"2026-11-05","frame":"CY2025Q3"},{"start":"2026-07-01","end":"2026-09-30","val":150000,"accn":"0001193125-26-449936","fy":2027,"fp":"Q1","form":"10-Q","filed":"2026-11-05","frame":"CY2026Q3"}]}}