FAIR VALUE MEASUREMENT (Details) - USD ($)	3 Months Ended
FAIR VALUE MEASUREMENT (Details) - USD ($)	Mar. 31, 2018	Mar. 31, 2017
Transfers out of Level 3 upon election of ASC 2017-11	$ 175,975
Level 3 [Member]
Beginning Balance	175,975
Transfers out of Level 3 upon election of ASC 2017-11	(175,975)
Ending Balance