XML 33 R16.htm IDEA: XBRL DOCUMENT
v3.24.3

LEASES | 3 Months Ended
--- | ---
Sep. 30, 2024
Leases |
LEASES |
| 10. | LEASES
The Company incurred lease costs as follows:
|  | For the Three Months Ended September 30, |
|  | 2024 |  |  | 2023 |
Operating Lease Cost: |  |  |  |  |  |  |  |
Fixed rent expense |  | $ | 23 |  |  | $ | 23 |
Variable rent expense |  |  | 3 |  |  |  | 3 |
Short-term lease cost |  |  | 3 |  |  |  | 2 |
Sublease income |  |  | (9 | ) |  |  | (6 | )
Net lease cost – other operating expense |  | $ | 20 |  |  | $ | 22 |
The maturities of lease liabilities are as follows at September 30, 2024:
|  | Future Lease Maturities |
Total remaining lease payments |  | $ | 220 |
Less portion of payments representing interest |  |  | (36 | )
Present value of lease payments |  |  | 184 |
Less current portion of lease payments |  |  | (97 | )
Non-current lease liability |  | $ | 87 |

X
- References No definition available. + Details
Name: | niobf_DisclosureLeasesAbstract
Namespace Prefix: | niobf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/842-20/tableOfContent + Details
Name: | us-gaap_LesseeOperatingLeasesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration