XML 72 R20.htm IDEA: XBRL DOCUMENT
v3.23.3

LEASES | 12 Months Ended
--- | ---
Jun. 30, 2023
Leases |
LEASES |
| 14. | LEASES
Effective February 2023, the Company entered into a 39-month corporate office lease extension and recognized the corresponding ROU asset and lease liability of $198 associated with this extension, based on a discount rate of 16%. As of June 30, 2023 and 2022, the Company had one corporate office lease with a remaining lease term of 3.6 years and 1.3 years, respectively. During the year ended June 30, 2023 and 2022, operating cash flows included cash payments of $93 and $90, respectively related to the measurement of lease liabilities. The Company incurred lease costs as follows:
|  | For the year ended June 30, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Operating Lease Cost: |  |  |  |  |  |  |  |  |  |  |  |
Fixed rent expense |  | $ | 83 |  |  | $ | 83 |  |  | $ | 106 |
Variable rent expense |  |  | 13 |  |  |  | 12 |  |  |  | 7 |
Short term lease cost |  |  | 10 |  |  |  | 16 |  |  |  | 13 |
Sublease income |  |  | (33 | ) |  |  | (26 | ) |  |  | (18 | )
Net lease cost |  | $ | 73 |  |  | $ | 85 |  |  | $ | 108 |
Lease cost – other operating expense |  | $ | 73 |  |  | $ | 85 |  |  | $ | 89 |
Lease cost – exploration expenditures |  |  | - |  |  |  | - |  |  |  | 19 |
Net lease cost |  | $ | 73 |  |  | $ | 85 |  |  | $ | 108 |
The maturity of lease liabilities is as follows at June 30, 2023:
|  |  | Fiscal Year Lease Maturities
2024 |  |  | $ | 71 |
2025 |  |  |  | 96 |
2026 |  |  |  | 98 |
2027 |  |  |  | 50 |
Total lease payments |  |  |  | 315 |
Less amount of payments representing interest |  |  |  | (80 | )
Present value of lease payments |  |  |  | 235 |
Less current portion of operating lease liability |  |  |  | (71 | )
Noncurrent operating lease liability |  |  | $ | 164 |

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 -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -URI https://asc.fasb.org/subtopic&trid=77888251 + Details
Name: | us-gaap_LesseeOperatingLeasesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration