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RECENT EVENTS (Summary of Entire Series C Issuances) (Details) - USD ($)
 6 Months Ended 12 Months Ended
Jun. 30, 2017
Dec. 31, 2016
EVENTS DURING THE REPORTED PERIOD [Abstract]    
Number of units sold 5,174.90 5,828.90
Gross amount of Series C units sold $ 5,175 $ 5,829
Net of related cash expenses 4,520 4,951
Net amount $ 4,246 $ 4,642