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LEASE ARRANGEMENTS
12 Months Ended
Dec. 31, 2017
Leases [Abstract]  
Leases of Lessee Disclosure
5.
LEASE ARRANGEMENTS
 
The Company leases office space, manufacturing, warehouse and service facilities and equipment for varying periods under both operating and capital lease agreements. Future minimum lease payments required under these lease commitments as of December 31, 2017 are as follows (in thousands):
 
 
 
Capital
Leases
 
Operating
Leases
 
2018
 
 
361
 
 
2,466
 
2019
 
 
361
 
 
1,364
 
2020
 
 
361
 
 
688
 
2021
 
 
361
 
 
439
 
2022
 
 
30
 
 
254
 
Thereafter
 
 
-
 
 
-
 
Total minimum lease payments
 
$
1,474
 
$
5,211
 
Interest
 
 
(172)
 
 
 
 
Present value of net minimum lease payments
 
$
1,302
 
 
 
 
 
Total rental expense was $6.5 million, $6.2 million, and $6.2 million for 2017, 2016, and 2015, respectively.