Fair Value Measurements (Details Narrative) (USD $) In Thousands, unless otherwise specified	Jul. 01, 2012
Fair value of acquired oil and gas properties	$ 1,771
Gerrity Oil Joint Venture
Fair value of acquired oil and gas properties	$ 1,771

The fair value of oil and gas property acquired in a business combination.

No definition available.

Name:	HKNI_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOilAndGasPropertySuccessfulEffortMethodGross
Namespace Prefix:	HKNI_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant