CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 17,577	$ 19,661
Investments available for sale	21,091	26,493
Prepaid taxes	14,963	14,963
Prepaid expense and other current assets	642	114
Total current assets	54,273	61,231
Property and equipment, net	68	70
Intangible and other assets	0	12
Total assets	54,341	61,313
Current liabilities:
Accounts payable and accrued liabilities	4,127	3,197
Derivative liability	2,566	4,172
Total current liabilities	6,693	7,369
Stockholders' equity:
Preferred stock, par value $0.0001 per share Authorized: 10,000,000 shares at March 31, 2013, and December 31, 2012, Issued and outstanding: 0 shares at March 31, 2013 and December 31, 2012	0	0
Common stock, par value $0.0001 per share Authorized: 100,000,000 shares at March 31, 2013 and December 31, 2012, Issued and outstanding: 51,151,075 shares at March 31, 2013, and 51,150,242 shares at December 31, 2012	5	5
Additional paid in capital	118,458	116,856
Accumulated deficit	(70,815)	(62,925)
Accumulated other comprehensive income	0	8
Total stockholders' equity	47,648	53,944
Total liabilities and stockholders' equity	$ 54,341	$ 61,313