SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Reimbursable Third Party Development Costs, Third Party Royalties and Royalty Buy-Down (Details)	12 Months Ended			81 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2018 USD ($) Payment	Mar. 31, 2012 USD ($)
Reimbursable Third Party Development Costs [Abstract]
Accrued patent costs	$ 40,000	$ 0		$ 40,000
Third-Party Royalties [Abstract]
Royalty expenses	2,400,000	1,800,000	$ 1,600,000
Royalty Buy-Down [Abstract]
Deferred royalty buy-down	$ 185,000	2,500,000		$ 185,000	$ 1,500,000
Deferred royalty buy-down, number of additional cash payments | Payment				5
Deferred royalty buy-down, six additional capitalized cost				$ 600,000
Deferred royalty buy-down, amortization period	5 years			5 years
Deferred royalty buy-down, amortization expense	$ 2,000,000	1,500,000	$ 1,000,000
Deferred royalty buy-down, impairment loss	0	0
Income Taxes [Abstract]
Unrecognized tax benefits	$ 0	$ 0		$ 0