XML 52 R29.htm IDEA: XBRL DOCUMENT
v3.7.0.1

7. Asset Retirement Obligation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Asset Retirement Obligation Disclosure [Abstract] |
Schedule of Asset Retirement Obligations |
Asset Retirement Obligation |  |  |
Balance December 31, 2014 |  | $ | 147,690 |
Accretion during 2015 |  |  | 5,137 |
Balance December 31, 2015 |  |  | 152,827 |
Accretion during 2016 |  |  | 5,455 |
Balance December 31, 2016 |  | $ | 158,282 |

X
- References No definition available. + Details
Name: | us-gaap_AssetRetirementObligationDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the carrying amount of a liability for asset retirement obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
Name: | us-gaap_ScheduleOfAssetRetirementObligationsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration