XML 42 R29.htm IDEA: XBRL DOCUMENT v3.19.1
Note 8 - Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2018
Notes Tables  
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Year ended December 31,
(in thousands)
 
 
 
 
2019
  $
552
 
2020
   
500
 
2021
   
284
 
2022
   
64
 
Total minimum lease payments
  $
1,400