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Lease commitments
12 Months Ended
Dec. 31, 2016
Leases [Abstract]  
Leases of Lessee Disclosure [Text Block]
Note 11.
Lease commitments
 
Certain premises and equipment are leased under various operating leases. Total rent expense charged to operations was $387,000, $422,000 and $439,000 in 2016, 2015 and 2014, respectively. At December 31, 2016, the minimum total rental commitment under such non-cancelable operating leases was as follows (in thousands):
 
2017
 
$
405
 
2018
 
 
283
 
2019
 
 
213
 
2020
 
 
208
 
2021
 
 
64
 
 
 
 
 
 
 
 
$
1,173