v3.19.3
Note 4 - Accrued Liabilities
12 Months Ended
Dec. 31, 2018
Notes to Financial Statements  
Accounts Payable and Accrued Liabilities Disclosure [Text Block]

Note 4.     Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

 

 

 

 

 

 

 

 

 

As of December 31, 

 

    

2017

    

2018

Payroll and related expenses

 

$

273

 

$

241

Accrued term loan final payment  

 

 

197

 

 

421

Accrued clinical trial expense 

 

 

654

 

 

 —

Professional fees and other costs

 

 

34

 

 

195

Total accrued liabilities

 

$

1,158

 

$

857