Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Assets
Cash	$ 9,954	$ 6,678
Accounts receivable - net	0	405
Prepaid expenses and other current assets	2,509	16
Assets of discontinued operations	0	23
Total Current Assets	12,463	7,122
Property and equipment, net	223	323
Long-term note receivable	700	0
Deposits and other assets	37	31
Total Assets	13,423	7,476
Liabilities and Stockholders' Equity
Accounts payable	395	388
Accrued liabilities	0	29
Total Current Liabilities	395	417
Total Liabilities	395	417
Stockholders' Equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized, none issued and outstanding	0	0
Common stock, $0.001 par value; 100,000,000 shares authorized, 44,444,230 issued and 44,362,748 outstanding and 31,374,002 issued and 31,292,520 outstanding	44	31
Additional paid-in capital	81,925	58,901
Accumulated deficit	(68,941)	(51,873)
Total Stockholders' Equity	13,028	7,059
Total Liabilities and Stockholders' Equity	$ 13,423	$ 7,476