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Accrued and Other Liabilities
6 Months Ended
Jun. 30, 2018
Payables And Accruals [Abstract]  
Accrued and Other Liabilities
6. Accrued and Other Liabilities

 

Accrued and other current liabilities consisted of the following (in $000s):

 

    December 31,     June 30,  
    2017     2018  
Accrued research and development   $ 1,645     $ 1,780  
Accrued legal and professional fees     248       274  
Other current liabilities     662       265  
    $ 2,555     $ 2,319  

 

Other current liabilities at December 31, 2017 and June 30, 2018 include $150,000 of contract liabilities in respect of payment received in advance of achieving a milestone under the ManRos agreement.