XML 29 R13.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 5 - Accrued Liabilities
12 Months Ended
Dec. 31, 2017
Notes to Financial Statements  
Accrued Liabilities [Text Block]
5
.     
Accrued liabilities
 
Accrued liabilities consist
ed of the following (in thousands):
 
   
December
3
1
, 2017
   
December 31, 2016
 
Deferred payroll and related expenses
  $
1,094
    $
637
 
Clinical trial related expense
   
95
     
97
 
Professional services
   
61
     
70
 
Product and process development expenses
   
     
29
 
Other
   
470
     
970
 
Total accrued liabilities
  $
1,254
    $
842