FAIR VALUE MEASUREMENT (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	$ 0	$ 0
Contingent consideration	3,374,660	5,266,488
Total	3,374,660	5,266,488
Change in Level 3 Instruments [Abstract]
Change in fair value of contingent consideration	1,074,158	(410,817)
Transfers into Level 3	0	0
Transfers out of Level 3	0	0
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Contingent consideration	0	0
Total	0	0
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Contingent consideration	0	0
Total	0	0
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Contingent consideration	3,374,660	5,266,488
Total	3,374,660	5,266,488
Change in Level 3 Instruments [Abstract]
Opening balance	5,266,488
Additions during the period	1,200,000
Paid/settlements	(2,017,670)
Total gains recognized in Statement of Operations	(1,074,158)
Closing balance	$ 3,374,660	$ 5,266,488