XML 26 R25.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Manufactured Methane Facilities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014
Manufactured Methane Facilities [Abstract] |
Schedule Of The Manufactured Methane Facilities |
|  | December 31, |
|  | 2014 |  | 2013 |
Manufactured Methane facilities, at cost | $ | 1,634 | $ | 4,945 |
Accumulated depreciation |  | - |  | (556 | )
Manufactured Methane facilities, net | $ | 1,634 | $ | 4,389 |

X
- Definition Methane Facilities [Table Text Block] + References No definition available. + Details
Name: | tgc_MethaneFacilitiesTableTextBlock
Namespace Prefix: | tgc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | tgc_MethaneProjectAbstract
Namespace Prefix: | tgc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration