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OPERATING LEASES (Tables)
12 Months Ended
Dec. 31, 2018
Leases, Operating [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Future minimum payments under non-cancelable operating leases, net of expected sublease income, having initial terms of more than one year consisted of the following:
 
Year ending December 31,
 
 
 
 
 
 
 
2019
 
$
275,000
 
2020
 
 
257,000
 
2021
 
 
252,000
 
2022
 
 
259,000
 
2023
 
 
165,000
 
Thereafter
 
 
-
 
 
 
 
 
 
 
 
$
1,208,000