XML 59 R30.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Stockholders' Equity (Tables) | 12 Months Ended
--- | ---
Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Dividends declared and paid | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Fiscal Year
​ |  | 2024 |  | 2023
Fourth quarter ended June 30, | ​ | $ | 0.12 | ​ | $ | 0.12
Third quarter ended March 31, | ​ | ​ | 0.12 | ​ | ​ | 0.12
Second quarter ended December 31, | ​ | ​ | 0.12 | ​ | ​ | 0.12
First quarter ended September 30, | ​ | ​ | 0.12 | ​ | ​ | 0.12
Schedule of share repurchases | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years Ended June 30,
​ |  | 2024 | ​ | 2023
Number of treasury shares acquired(1) | ​ | ​ | 202 | ​ | ​ | 673
Average cost per share(1) | ​ | $ | 5.66 | ​ | $ | 6.20
Total cost of treasury shares acquired | ​ | $ | 1,144 | ​ | $ | 4,170
(1) | For the year ended June 30, 2024, includes 140,672 shares repurchased under the Company’s share repurchase program for a weighted average price of $5.33 per share. For the year ended June 30, 2023, includes 633,789 shares repurchased under the Company’s share repurchase program for a weighted average price of $6.07 per share.
Schedule of Market-based Award Valuation Assumptions | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years Ended June 30,
​ |  | 2024 |  | 2023
Weighted average fair value of performance-based awards granted | ​ | $ | 3.58 | ​ | $ | 6.52
Risk-free interest rate | ​ | ​ | 4.87% | ​ | ​ | 3.91% to 4.51%
Expected term in years | ​ | ​ | 2.77 | ​ | ​ | 2.36 to 2.78
Expected volatility | ​ | ​ | 55.0% | ​ | ​ | 56.5% to 70.9%
Dividend yield | ​ | ​ | 7.4% | ​ | ​ | 6.1% to 7.8%
Schedule of restricted stock transactions | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted
​ | ​ | Number of | ​ | Average
​ | ​ | Restricted | ​ | Grant-Date
Award Type |  | Shares |  | Fair Value
Time-vested awards | ​ | 395,104 | ​ | $ | 6.57
Performance-based awards | ​ | 233,407 | ​ | ​ | 5.87
Unvested at June 30, 2024 | ​ | 628,511 | ​ | $ | 6.31
Restricted Stock |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of restricted stock transactions | The following table sets forth the restricted stock award transactions for the years ended June 30, 2024 and 2023: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Weighted | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted | ​ | Unamortized | ​ | Average | ​ | ​ | ​
​ | ​ | Number of | ​ | Average | ​ | Compensation | ​ | Remaining | ​ | Aggregate Intrinsic
​ | ​ | Restricted | ​ | Grant-Date | ​ | Expense | ​ | Amortization | ​ | Value (1)
​ |  | Shares |  | Fair Value |  | (In thousands) |  | Period (Years) |  | (In thousands)
Unvested at June 30, 2022 | ​ | 341,211 | ​ | $ | 4.54 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Time-vested shares granted | ​ | 376,015 | ​ | ​ | 7.18 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Performance-based shares granted | ​ | 100,239 | ​ | ​ | 7.39 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Vested | ​ | (196,431) | ​ | ​ | 4.91 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Forfeited | ​ | (25,620) | ​ | ​ | 6.51 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Unvested at June 30, 2023 | ​ | 595,414 | ​ | $ | 6.48 | ​ | $ | 2,827 | ​ | 2.4 | ​ | $ | 4,805
Time-vested shares granted | ​ | 157,692 | ​ | ​ | 6.22 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Performance-based shares granted | ​ | 136,315 | ​ | ​ | 4.80 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Vested | ​ | (260,910) | ​ | ​ | 5.85 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Unvested at June 30, 2024 | ​ | 628,511 | ​ | $ | 6.31 | ​ | $ | 2,492 | ​ | 1.8 | ​ | $ | 3,312
(1) | The intrinsic value of restricted stock was calculated as the closing market price on June 30, 2024 and 2023 of the underlying stock multiplied by the number of restricted shares that would be issuable. The total fair value of shares vested was $1.6 million and $1.4 million for the years ended June 30, 2024 and 2023, respectively.
Contingent restricted stock grants |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of restricted stock transactions | The following table sets forth contingent restricted stock unit transactions for the years ended June 30, 2024 and 2023: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Weighted | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | Unamortized | ​ | Average | ​ | ​ | ​
​ | ​ | Number of | ​ | Weighted Average | ​ | Compensation | ​ | Remaining | ​ | Aggregate Intrinsic
​ | ​ | Restricted | ​ | Grant-Date | ​ | Expense | ​ | Amortization | ​ | Value (1)
|  | Stock Units |  | Fair Value |  | (In thousands) |  | Period (Years) |  | (In thousands)
Unvested at June 30, 2022 | ​ | 50,062 | ​ | $ | 2.21 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Performance-based awards granted | ​ | 50,123 | ​ | ​ | 4.79 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Forfeited | ​ | (3,787) | ​ | ​ | 3.69 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Unvested at June 30, 2023 | ​ | 96,398 | ​ | $ | 3.49 | ​ | $ | 195 | ​ | 1.9 | ​ | $ | 778
Performance-based awards granted | ​ | 102,239 | ​ | ​ | 1.95 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Expired | ​ | (47,849) | ​ | ​ | 2.19 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Unvested at June 30, 2024 | ​ | 150,788 | ​ | $ | 2.86 | ​ | $ | 230 | ​ | 1.6 | ​ | $ | 795
(1) | The intrinsic value of contingent restricted stock units was calculated as the closing market price on June 30, 2024 and 2023 of the underlying stock multiplied by the number of restricted shares that would be issuable.

X
- Definition Schedule Of Share Repurchases [Table Text Block] + References No definition available. + Details
Name: | epm_ScheduleOfShareRepurchasesTableTextBlock
Namespace Prefix: | epm_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information related to dividends declared, including paid and unpaid dividends. + References No definition available. + Details
Name: | us-gaap_DividendsDeclaredTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in outstanding nonvested shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 35 -Paragraph 1D -Publisher FASB -URI https://asc.fasb.org/1943274/2147480483/718-10-35-1D Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 35 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480483/718-10-35-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(02) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(03) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 20: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 21: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 22: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 23: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 24: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 25: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 26: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 27: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 28: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(v) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=epm_ContingentRestrictedStockGrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |