SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Concentration of Credit Risk and Major Customers and Revenue Recognition (Details)	3 Months Ended
	Mar. 31, 2018 USD ($) Customer		Mar. 31, 2017 USD ($)	Dec. 31, 2017 USD ($)
Concentration Risk [Line Items]
Total revenues	$ 7,089,409	[1]	$ 7,690,619
Accounts receivable	19,165,670	[1]		$ 4,655,105
Royalties [Member]
Concentration Risk [Line Items]
Total revenues	7,085,000	[1]	7,686,210
Licensing Revenues [Member]
Concentration Risk [Line Items]
Total revenues	$ 4,409	[1]	4,409
Endo [Member]
Concentration Risk [Line Items]
Number of customers | Customer	1
Total revenues	$ 7,089,409		$ 7,690,619
Accounts receivable	$ 19,165,670			$ 4,655,105

[1] As of January 1, 2018, the Company adopted the requirements of ASC 606 using the modified retrospective adoption method, and as a result, there is a lack of comparability of certain amounts to the prior periods presented. See Note 2 for additional discussion.