Organization - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended					3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012		Dec. 31, 2011	Jun. 30, 2013 Robert McCullough [Member]	Jun. 30, 2013 Officers and Directors [Member]
Cash and cash equivalents	$ 0	$ 5	$ 39	[1]	$ 15
Debt Conversion, Converted Instrument, Amount	3,250	0				3,250
Debt Conversion, Converted Instrument, Shares Issued						162,500,000
Share Price						$ 0.02
Equity Method Investment Ownership Number Of Shares Held						167,690,706	198,199,145
Equity Method Investment, Ownership Percentage						66.90%	79.07%
Gain Loss On Liquidations Of Subsidiary	$ (149)	$ 0

[1] Derived from audited information