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Leases
12 Months Ended
Dec. 31, 2016
Leases Disclosure [Abstract]  
Leases Disclosure [Text Block]

14. Leases

The Company has noncancelable operating leases for office and warehouse space expiring at various dates through 2021 and thereafter. Rent expense, which is recorded on a straight-line basis, was $1.8 million, $2.1 million and $1.7 million for the years ended December 31, 2016, 2015 and 2014, respectively.

Future minimum lease payments for operating leases, with initial or remaining terms in excess of one year at December 31, 2016, are as follows:

Operating
Leases
(in thousands)
2017$1,600
20181,614
20191,489
20201,284
20211,087
Thereafter2,919
Net minimum lease payments$9,993