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10. Oil and Gas Costs
 12 Months Ended
Mar. 31, 2015
Extractive Industries [Abstract]  
Oil and Gas Costs

10. Oil and Gas Costs

 

The costs related to the Company’s oil and gas activities were incurred as follows for the year ended March 31:

  

   2015  2014  2013
Property acquisition costs:               
Proved  $3,108,040   $785,144   $20,542 
Unproved   —      —      —   
Exploration   15,472    9,641    15,715 
Development   1,746,582    1,152,986    1,265,126 
Capitalized asset retirement obligations   274,148    134,113    114,003 
Total costs incurred for oil and gas properties  $5,144,242   $2,081,884   $1,415,386 

The Company had the following aggregate capitalized costs relating to its oil and gas property activities at March 31:

  

   2015  2014  2013
Proved oil and gas properties  $40,489,453   $35,386,751   $34,138,841 
Unproved oil and gas properties:               
subject to amortization   73,990    73,990    170,487 
not subject to amortization   —      —      —   
    40,563,443    35,460,741    34,309,328 
Less accumulated DD&A   19,752,994    18,395,619    17,249,803 
   $20,810,449   $17,065,122   $17,059,525 

DD&A amounted to $2.48, $2.18 and $2.03 per mcfe of production for the years ended March 31, 2015, 2014 and 2013, respectively.