Consolidated Balance Sheets (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Assets      
Cash $ 6,802 $ 6,678 $ 2,649
Accounts receivable net 440 405 339
Other 83 16 343
Assets of discontinued operations 0 23 214
Total Current Assets 7,325 7,122 3,545
Property and equipment, net 303 323 475
Long-term note receivable 700 0  
Deposits and other assets 21 31 91
Total Assets 8,349 7,476 4,111
Liabilities and Stockholders' Equity      
Accounts payable 316 388 266
Accrued liabilities 127 29 210
Liabilities of discontinued operations   0 24
Total Current Liabilities 443 417 500
Long Term Liabilities:      
Accounts payable   0 32
Total Liabilities 443 417 532
Stockholders' Equity:      
Preferred stock, $0.001 par value; 10,000,000 shares authorized, none issued and outstanding 0 0 0
Common stock, $0.001 par value; 100,000,000 shares authorized, 31,374,002 issued and 31,292,520 outstanding and 23,420,189 issued and 23,338,707 outstanding 33 31 23
Additional paid-in capital 60,946 58,901 47,280
Accumulated deficit (53,073) (51,873) (43,724)
Total Stockholders' Equity 7,906 7,059 3,579
Total Liabilities and Stockholders' Equity $ 8,349 $ 7,476 $ 4,111