Note 10 - Contingencies (Details Textual) |
3 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2021
USD ($)
|
Jul. 25, 2017
USD ($)
|
Dec. 31, 2010
USD ($)
|
|
| Additional Royalty Due to Disallowed Deductions | $ 4,700,000 | ||
| Bonds Posted to Appeal IBLA Decision | $ 7,200,000 | ||
| Collateral for Bonds Posted Related to Appeal with IBLA | $ 8,200,000 | $ 6,900,000 | |
| BSEE [Member] | |||
| Loss Contingency, Number of Claims Filed | 9 | ||
| Proposed Civil Penalties | $ 7,700,000 | ||
| Settlement Agreement, Annual Instalments, Value | 720,000 | ||
| Payment for Civil Penalty | $ 0 |
| X | ||||||||||
- Definition Additional royalty payments made related to revised regulation interpretations referred to as unbundling. No definition available.
|
| X | ||||||||||
- Definition Amount of bonds posted to appeal a decision made by the Interior Board of Land Appeals. No definition available.
|
| X | ||||||||||
- Definition Cash collateral deposited related to bonds posted to appeal a decision made by the Interior Board of Land Appeals. No definition available.
|
| X | ||||||||||
- Definition Represents the number of claims filed. No definition available.
|
| X | ||||||||||
- Definition Payments made to government agencies for civil penalties related to incidents of non-compliance issued by the BSEE. No definition available.
|
| X | ||||||||||
- Definition The amount of civil penalties proposed. No definition available.
|
| X | ||||||||||
- Definition The value of annual installments to be paid in a settlement agreement. No definition available.
|
| X | ||||||||||
- Details
|