XML 35 R17.htm IDEA: XBRL DOCUMENT v2.4.0.6
Note 10 - Exploration Costs
6 Months Ended
Mar. 31, 2013
Oil and Gas Exploration and Production Industries Disclosures [Text Block]
NOTE 10: Exploration Costs

In the quarter and six month period ended March 31, 2013, lease expirations and leasehold impairments of $15,394 and $28,616, respectively, were charged to exploration costs. Leasehold impairments are recorded for individually insignificant non-producing leases which the Company believes will not be transferred to proved properties over the remaining lives of the leases. In the quarter and six month period ended March 31, 2013, the Company also had additional costs of $18 and $6,563, respectively, related to exploratory dry holes. In the quarter and six month period ended March 31, 2012, lease expirations and impairments of ($12,456) and $299,361, respectively, were charged to exploration costs as well as additional costs of $54,144 and $55,697, respectively, related to exploratory dry holes.