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Lease Obligations (Tables)
9 Months Ended
Sep. 30, 2017
Leases [Abstract]  
Schedule of Future Minimum Lease Payments for Capital and Operating Leases [Table Text Block]
The future minimum lease payments required under capital leases and operating leases, together with the present value of capital leases, as of September 30, 2017 were as follows:
 
 
 
Capital
 
Operating
 
(In thousands)
 
Lease
Obligations
 
Lease
Obligations
 
 
 
 
 
 
 
 
 
Remainder of 2017
 
$
305
 
$
922
 
2018
 
 
1,220
 
 
3,378
 
2019
 
 
1,220
 
 
2,854
 
2020
 
 
1,220
 
 
2,222
 
2021
 
 
379
 
 
1,566
 
Thereafter
 
 
 
 
1,815
 
Total minimum lease payments
 
$
4,344
 
$
12,757
 
Interest
 
 
(238)
 
 
 
 
Net present value of minimum lease payments
 
 
4,106
 
 
 
 
Less: Current portion of capital lease obligations
 
 
1,109
 
 
 
 
Long-term capital lease obligations
 
$
2,997