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Schedule of Changes in Standardized Measure of Discounted Future Net Cash Flows to Proved Oil and Gas Reserves (Details) - USD ($) | 12 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021
Extractive Industries [Abstract] |  |
Sales of oil and gas produced, net of production costs | $ (5,244,000) | $ (1,902,000)
Net changes in price and production costs | 16,829,000 | (6,680,000)
Changes in previously estimated development costs | (159,000) | 2,623,000
Revisions of quantity estimates | (2,594,000) | (5,954,000)
Net change due to purchases and sales of minerals in place | 568,000 | (54,000)
Extensions and discoveries, less related costs | 5,105,000 | 1,150,000
Net change in income taxes | (3,861,000) | 2,070,000
Accretion of discount | 3,078,000 | 1,376,000
Changes in timing of estimated cash flows and other | (565,000) | 158,000
Changes in standardized measure | 13,157,000 | (6,213,000)
Standardized measure, beginning of year | 12,763,000 | 18,976,000
Standardized measure, end of year | $ 25,920,000 | $ 12,763,000

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- Definition Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of extensions, discoveries and improved recovery of proved oil and gas reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Form 20-F -Section Item 18 -Subsection Instruction 2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 35A -URI https://asc.fasb.org/extlink&oid=126939881&loc=SL6807758-109447 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 55 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=34713648&loc=d3e63123-109448 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 35 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126939881&loc=d3e62500-109447 + Details
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- Definition Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in estimated future development costs. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Form 20-F -Section Item 18 -Subsection Instruction 2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 35A -URI https://asc.fasb.org/extlink&oid=126939881&loc=SL6807758-109447 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 35 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126939881&loc=d3e62500-109447 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 55 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=34713648&loc=d3e63123-109448 + Details
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- Definition Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in the estimated future income tax on future pretax net cash flows related to the entity's proved oil and gas reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Form 20-F -Section Item 18 -Subsection Instruction 2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 35 -Subparagraph (j) -URI https://asc.fasb.org/extlink&oid=126939881&loc=d3e62500-109447 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 55 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=34713648&loc=d3e63123-109448 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 35A -URI https://asc.fasb.org/extlink&oid=126939881&loc=SL6807758-109447 + Details
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