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16. Oil and Gas Reserve Data - Progress of Converting Proved Undeveloped Reserves: (Details) | 12 Months Ended
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Mar. 31, 2015 USD ($) bbl Mcf
Extractive Industries [Abstract] |
PUDs, beginning of year | bbl | 3,419,362
Revision of previous estimates | Mcf | (943,113)
Conversions to PD reserves | Mcf | (214,890)
Additional PUDs added | Mcf | 1,698,873
PUDs, end of year | bbl | 3,960,232
PUDs, beginning of year, Future Development Costs | $ 4,620,320
Revision of previous estimates, Future Development Costs | (441,475)
Conversions to PD reserves, Future Development Costs | (643,429)
Additional PUDs added, Future Development Costs | 3,081,986
PUDs, end of year, Future Development Costs | $ 6,617,402

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- Definition Revisions represent changes in previous estimates of proved reserves, either upward or downward, resulting from new information (except for an increase in proved acreage) normally obtained from development drilling and production history or resulting from change in economic factors. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51678428&loc=d3e61831-109447 + Details
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- Definition Net quantities of an enterprise's interests in proved undeveloped reserves of either crude oil (including condensate and natural gas liquids), natural gas, synthetic oil and gas, or other renewable natural resource that is intended to be upgraded into synthetic oil and gas as of the beginning and the end of the year. "Net" quantities of reserves include those relating to the enterprise's operating and nonoperating interests in properties. Quantities of reserves relating to royalty interests owned are included in "net" quantities if the necessary information is available to the enterprise. "Net" quantities does not include reserves relating to interests of others in properties owned by the enterprise. The unit of measure for reserve quantities is defined as "barrels" for oil and synthetic oil reserves or "cubic feet" or "cubic meters" for natural gas and synthetic gas reserves. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=51678428&loc=d3e61884-109447 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=51678428&loc=d3e61797-109447 + Details
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