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Consolidated Balance Sheets (unaudited) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Current assets:    
Cash and cash equivalents $ 3,537 $ 2,920
Other current assets 456 125
Total current assets 3,993 3,045
Property and equipment, net 22 23
Other assets 124 144
Total assets 4,139 3,212
Current liabilities:    
Accounts payable 377 65
Accrued compensation and employee benefits 60 103
Accrued expenses and other liabilities 383 121
Deferred rent, current portion 8 16
Total current liabilities 828 305
Total liabilities 828 305
Commitments and contingencies      
Stockholders’ equity:    
Common stock, $0.001 par value; 100 million shares authorized at March 31, 2013 and December 31, 2012; 3,185,562 and 2,660,315 shares issued and outstanding at March 31, 2013 and December 31, 2012, respectively. 3 3
Additional paid-in capital 72,373 70,898
Deficit accumulated during the development stage (69,065) (67,994)
Total stockholders’ equity 3,311 2,907
Total liabilities and stockholders’ equity $ 4,139 $ 3,212