Segment Information - Segment Information (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Oil and gas revenues	$ 988us-gaap_OilAndGasRevenue	$ 1,093us-gaap_OilAndGasRevenue
Oil and gas expenses	(218)us-gaap_CostOfGoodsSoldOilAndGas	(209)us-gaap_CostOfGoodsSoldOilAndGas
Selling, general and administrative expenses	(3,862)	(3,520)
Depreciation, depletion and amortization	(807)	(743)
Impairment losses	18,129us-gaap_AssetImpairmentCharges
Gain on BWI contingency	(800)HKNI_GainOnContingency
Interest and other expenses	(166)us-gaap_OtherNonoperatingExpense	(36)us-gaap_OtherNonoperatingExpense
Interest and other income - related parties	1,608HKNI_InterestAndOtherIncomeRelatedParty	2,250HKNI_InterestAndOtherIncomeRelatedParty
Interest and other income	80us-gaap_OtherNonoperatingIncome	163us-gaap_OtherNonoperatingIncome
Impairment loss on investment in Global	(937)
Segment income (loss) from continuing operations	(20,643)	(1,002)
Capital Expenditures	7,997	6,618
Total Assets	34,980us-gaap_Assets	66,960us-gaap_Assets
HKN
Oil and gas revenues	988	1,093
Oil and gas expenses	(218)	(209)
Selling, general and administrative expenses	(2,894)	(2,767)
Depreciation, depletion and amortization	(470)	(523)
Impairment losses	(1,688)
Interest and other expenses		(36)
Interest and other income - related parties	1,879	2,901
Interest and other income	80	163
Impairment loss on investment in Global	(937)
Segment income (loss) from continuing operations	(3,260)	622
Capital Expenditures	386	694
Total Assets	37,582	62,149
BWI
Selling, general and administrative expenses	(968)	(753)
Depreciation, depletion and amortization	(337)	(220)
Impairment losses	(16,441)
Gain on BWI contingency	800
Interest and other expenses	(437)	(651)
Segment income (loss) from continuing operations	(17,383)	(1,624)
Capital Expenditures	7,611	5,924
Total Assets	8,088	17,014
Eliminations
Interest and other expenses	271	651
Interest and other income - related parties	(271)	(651)
Total Assets	$ (10,690)	$ (12,203)

Gain related to the reversal of a contingent liability.

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Interest revenue and other income from related party.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Total costs related to oil and gas produced and sold during the reporting period.

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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses and taxes from ongoing operations before extraordinary items, and noncontrolling interest.

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Aggregate revenue during the period related to oil and gas business activities.

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The aggregate amount of other expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating expense recognized during the period. Such amounts may include: (a) unusual costs, (b) loss on foreign exchange transactions, (c) losses on securities (net of profits), and (d) miscellaneous other expense items.

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The aggregate amount of other income amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) profits on securities (net of losses), and (d) miscellaneous other income items.

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The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of its amortized cost basis. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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