SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Reimbursable Third Party Development Costs, Third Party Royalties and Royalty Buy-Down (Details)	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Mar. 31, 2012 USD ($) Payment
Reimbursable Third Party Development Costs [Abstract]
Accrued patent costs	$ 10,000	$ 40,000
Third-Party Royalties [Abstract]
Royalty expenses	1,000,000	2,400,000
Royalty Buy-Down [Abstract]
Deferred royalty buy-down	$ 0	200,000	$ 400,000	$ 1,500,000
Deferred royalty buy-down, number of additional cash payments | Payment				5
Deferred royalty buy-down, five additional capitalized cost				$ 600,000
Deferred royalty buy-down, amortization period	5 years
Deferred royalty buy-down, amortization expense	$ 200,000	2,000,000
Income Taxes [Abstract]
Unrecognized tax benefits	$ 0	$ 0