XML 34 R22.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 5 - Operating Leases (Tables)
12 Months Ended
Dec. 31, 2017
Notes Tables  
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
201
8
   
201
9
   
20
20
   
20
21
   
202
2
 
$ 558     $
416
    $
100
    $
-
    $
-