XML 42 R20.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Significant Concentrations | 12 Months Ended
--- | ---
Dec. 31, 2017
Risks and Uncertainties [Abstract] |
Significant Concentrations |
14. | SIGNIFICANT CONCENTRATIONS
The Company has exposure to credit risk in the event of nonpayment by the joint interest operators of the Company’s oil and gas properties. During the years ended December 31, 2017, 2016 and 2015, three joint interest operators accounted for the following percentages of the Company’s oil and gas sales:
Operator |  | 2017 |  |  | 2016 |  |  | 2015 |
A |  |  | 13 | % |  |  | 16 | % |  |  | 20 | %
B |  |  | 25 | % |  |  | 32 | % |  |  | 35 | %
C |  |  | 34 | % |  |  | 29 | % |  |  | 25 | %
Substantially all of the Company’s cash and equivalents are in accounts with a single financial institution and the balances typically exceed federally insured limits. The Company has not experienced any losses in such accounts.

X
- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -URI http://asc.fasb.org/topic&trid=2134479 + Details
Name: | us-gaap_ConcentrationRiskDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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