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Oil and Gas Reserve Data (Unaudited) (Tables)
12 Months Ended
Mar. 31, 2016
Extractive Industries [Abstract]  
Schedule of Changes in Proved Reserves
    Oil
(Bbls)
    Natural Gas (Mcf)  
Proved Developed and Undeveloped Reserves:                
As of April 1, 2013     366,000       7,844,000  
Revision of previous estimates     12,000       (1,404,000 )
Purchase of minerals in place     50,000       18,000  
Extensions and discoveries     101,000       163,000  
Sales of minerals in place     -       -  
Production     (27,000 )     (362,000 )
As of March 31, 2014     502,000       6,259,000  
Revision of previous estimates     (90,000 )     (665,000 )
Purchase of minerals in place     43,000       795,000  
Extensions and discoveries     235,000       269,000  
Sales of minerals in place     -       -  
Production     (30,000 )     (369,000 )
As of March 31, 2015     660,000       6,289,000  
Revision of previous estimates     (13,000 )     (736,000 )
Purchase of minerals in place     -       -  
Extensions and discoveries     479,000       665,000  
Sales of minerals in place     (3,000 )     (9,000 )
Production     (39,000 )     (408,000 )
As of March 31, 2016     1,084,000       5,801,000  
Summary of Proved Developed and Undeveloped Reserves

Summary of Proved Developed and Undeveloped Reserves as of March 31, 2016, 2015 and 2014:

 

    Oil
(Bbls)
    Natural Gas (Mcf)  
Proved Developed Reserves:                
As of April 1, 2013     237,420       4,807,020  
As of March 31, 2014     294,620       4,081,470  
As of March 31, 2015     283,670       4,584,790  
As of March 31, 2016     350,180       4,406,060  
                 
Proved Undeveloped Reserves:                
As of April 1, 2013     128,290       3,037,180  
As of March 31, 2014     206,930       2,177,810  
As of March 31, 2015     376,070       1,703,790  
As of March 31, 2016     734,170       1,395,220  
Schedule of Progress of Converting Proved Undeveloped Reserves

Progress of Converting Proved Undeveloped Reserves:

 

    Oil & Natural Gas     Future  
    (Mcfe)     Development Costs  
PUDs, beginning of year     3,960,232     $ 6,617,402  
Revision of previous estimates     (1,441,324 )     (2,778,279 )
Conversions to PD reserves     (256,618 )     (732,620 )
Additional PUDs added     3,537,952       6,510,657  
PUDs, end of year     5,800,242     $ 9,617,160  
Schedule of Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Reserves

Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Reserves:

 

    March 31  
    2016     2015     2014  
Future cash inflows   $ 57,318,000     $ 72,238,000     $ 70,252,000  
Future production costs and taxes     (14,571,000 )     (19,569,000 )     (20,647,000 )
Future development costs     (9,617,000 )     (6,617,000 )     (4,826,000 )
Future income taxes     (4,569,000 )     (9,254,000 )     (9,801,000 )
Future net cash flows     28,561,000       36,798,000       34,978,000  
Annual 10% discount for estimated timing of cash flows     (14,663,000 )     (17,860,000 )     (15,649,000 )
Standardized measure of discounted future net cash flows   $ 13,898,000     $ 18,938,000     $ 19,329,000  

Schedule of Changes in Standardized Measure of Discounted Future Net Cash Flows to Proved Oil and Gas Reserves

Changes in Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves:

 

    March 31  
    2016     2015     2014  
Sales of oil and gas produced, net of production costs   $ (1,240,000 )   $ (2,036,000 )   $ (2,762,000 )
Net changes in price and production costs     (12,510,000 )     (4,066,000 )     2,464,000  
Changes in previously estimated development costs     3,701,000       2,627,000       270,000  
Revisions of quantity estimates     (602,000 )     (3,718,000 )     (657,000 )
Net change due to purchases and sales of minerals in place     (105,000 )     2,777,000       1,332,000  
Extensions and discoveries, less related costs     5,174,000       4,607,000       3,802,000  
Net change in income taxes     2,539,000       654,000       (1,997,000 )
Accretion of discount     2,370,000       2,474,000       1,779,000  
Changes in timing of estimated cash flows and other     (4,367,000 )     (3,710,000 )     729,000  
Changes in standardized measure     (5,040,000 )     (391,000 )     4,960,000  
Standardized measure, beginning of year     18,938,000       19,329,000       14,369,000  
Standardized measure, end of year   $ 13,898,000     $ 18,938,000     $ 19,329,000