SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Treasury Stock, Receivables and Deferred Revenue (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($) customer	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) customer $ / shares shares	Sep. 30, 2019 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) customer
Treasury Stock
Treasury stock purchased (in shares) | shares			7,573	6,209
Average price of share (in dollars per share) | $ / shares			$ 54.50	$ 57.54
Receivables and Doubtful Accounts
Allowance for doubtful accounts	$ 0		$ 0
Accounts receivable	13,593,641		13,593,641		$ 19,065,919
Third-Party Royalties
Royalty expenses	200,000	$ 200,000	400,000	$ 700,000
Milestone fee	1,500,000		1,500,000
Endo
Receivables and Doubtful Accounts
Accounts receivable	$ 13,600,000		$ 13,600,000		$ 19,100,000
Accounts Receivable | Customer Concentration Risk | Endo
Receivables and Doubtful Accounts
Number of Customers | customer	1		1		1