Segment Information - Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Oil and gas revenues	$ 266		$ 514
Oil and gas expenses	(36)		(66)
Selling, general and administrative expenses	(755)	(1,110)	(1,648)	(2,300)
Depreciation, depletion and amortization	(134)	(67)	(344)	(127)
Interest and other income - related parties	586	478	1,245	840
Interest and other income	4	9	37	21
Income tax benefit		73		78
Segment income (loss) from continuing operations	(69)	(617)	(262)	(1,488)
Capital Expenditures	942	307	1,976	505
Total Assets	60,918	67,593	60,918	67,593	73,977
HKN
Selling, general and administrative expenses	(566)	(731)	(1,228)	(1,549)
Depreciation, depletion and amortization	(9)	(13)	(22)	(19)
Interest and other income - related parties	729	550	1,509	961
Interest and other income	4	9	38	21
Income tax benefit		73		78
Segment income (loss) from continuing operations	158	(112)	297	(508)
Capital Expenditures	1	2	52	5
Total Assets	52,326	67,805	52,326	67,805
BWI
Selling, general and administrative expenses	(185)	(379)	(324)	(751)
Depreciation, depletion and amortization	(56)	(54)	(110)	(108)
Interest and other expenses	(141)	(72)	(262)	(121)
Interest and other income			(1)
Segment income (loss) from continuing operations	(382)	(505)	(697)	(980)
Capital Expenditures	837	305	1,650	500
Total Assets	12,613	9,457	12,613	9,457
HBI
Oil and gas revenues	266		514
Oil and gas expenses	(36)		(66)
Selling, general and administrative expenses	(4)		(96)
Depreciation, depletion and amortization	(69)		(212)
Interest and other expenses	(2)		(2)
Segment income (loss) from continuing operations	155		138
Capital Expenditures	104		274
Total Assets	4,447		4,447
Eliminations
Interest and other expenses	143	72	264	121
Interest and other income - related parties	(143)	(72)	(264)	(121)
Total Assets	$ (8,468)	$ (9,669)	$ (8,468)	$ (9,669)