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OBLIGATIONS UNDER CAPITAL LEASES (Tables)
12 Months Ended
Dec. 31, 2017
Debt Disclosure [Abstract]  
Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]
Future minimum lease payments, together with the present value of the net minimum lease payments under capital leases at December 31, 2017, are summarized as follows:
 
 
 
Net Present Value
 
 
 
of Minimum
 
 
 
Lease Payments
 
Year ending December 31,
 
 
 
 
2018
 
$
6,113,000
 
2019
 
 
4,550,000
 
2020
 
 
3,280,000
 
2021
 
 
5,453,000
 
2022
 
 
629,000
 
Thereafter
 
 
719,000
 
Total capital lease payments
 
 
20,744,000
 
Less imputed interest
 
 
3,658,000
 
 
 
 
17,086,000
 
Less current portion
 
 
4,814,000
 
 
 
$
12,272,000