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Note 5 - Operating Leases
12 Months Ended
Dec. 31, 2017
Notes to Financial Statements  
Leases of Lessee Disclosure [Text Block]
Note
5
- Operating Leases
 
 
We lease various buildings, machinery, land, automobiles and office equipment. Rental expenses for all operating leases were approximately
$660
and
$668
for the years ended
December 31, 2017
and
2016,
respectively. Future minimum lease payments under non-cancelable operating leases as of
December 31, 2017
are as follows:
 
201
8
   
201
9
   
20
20
   
20
21
   
202
2
 
$ 558     $
416
    $
100
    $
-
    $
-