XML 24 R50.htm IDEA: XBRL DOCUMENT v2.4.0.6
Accounts Payable and Accrued Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Summary of Accounts payable and accrued liabilities    
Accounts payable $ 3,046 $ 4,110
Accrued clinical trial expense 615 968
Accrued professional fees 238 299
Deferred rent 94 131
Other 20 7
Total accounts payable and accrued liabilities $ 4,013 $ 5,515