Accounts Receivable Due from Drilling Operator and Accounts Payable Due to Drilling Operator - Additional Information (Detail) - USD ($)	Sep. 30, 2016	Dec. 31, 2015
Payables and Accruals [Abstract]
Amount due from drilling operator, charges current	$ 258,892	$ 218,456
Drilling operator charges incurred, but not paid		$ 766,542

Accounts receivable due from operators current on charges related to employee salary reimbursements, travel expense and lease costs.

No definition available.

Name:	teng_AccountsReceivableDueFromOperatorsCurrent
Namespace Prefix:	teng_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant