Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Accrued Liabilities

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Note 8 - Accrued Liabilities
6 Months Ended
Jun. 30, 2020
Notes to Financial Statements  
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
8.
Accrued Liabilities
 
Accrued liabilities consisted of the following (in thousands):
 
   
June 30, 2020
   
December 31, 201
9
 
Accrued clinical study costs
  $
166
    $
433
 
Accrued compensation
   
232
     
419
 
Accrued research and other professional fees
   
188
     
172
 
Accrued taxes and other liabilities
   
23
     
52
 
Total accrued liabilities
  $
609
    $
1,076