Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Accrued Liabilities

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Note 10 - Accrued Liabilities
9 Months Ended
Sep. 30, 2019
Notes to Financial Statements  
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
10.
Accrued Liabilities
 
Accrued liabilities consisted of the following (in thousands):
 
   
September 30
, 2019
   
December 31, 2018
 
Accrued compensation and related
  $
299
    $
417
 
Accrued clinical study costs
   
327
     
292
 
Accrued research and other professional fees
   
179
     
65
 
Accrued taxes and other liabilities
   
32
     
34
 
Total accrued liabilities
  $
837
    $
808