SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)	3 Months Ended
	Mar. 31, 2014 Quarter Plan Customer	Mar. 31, 2013	Mar. 31, 2012 Payment	Dec. 31, 2013
Concentration of Credit Risk and Major Customers [Abstract]
Accounts receivable	$ 1,921,810			$ 5,004,418
Number of customers	1
Royalty revenue	2,740,318	3,432,900
Royalty / Mark-up on Cost of Goods Sold / Earn-Out Revenue [Abstract]
Number of quarters after which revenue is recognized (in quarters)	1
Number of days after calendar year, after which payments and report are received	90 days
Allowance for doubtful accounts	30,000	30,000
Reimbursable Third Party Development Costs [Abstract]
Accrued patent costs	192,000
Royalty Buy-Down [Abstract]
Initial payment for royalty buy down			1,500,000
Number of additional cash payments for royalty buy down			5
Deferred royalty buy-down	3,350,000			3,350,000
Deferred costs, amortization period	5 years
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Number of stock based compensation plans in effect	2
Stock-based compensation expense	5,354	26,400
Total number of shares
Outstanding, beginning of period (in shares)	1,167,000
Granted (in shares)	0
Forfeited (in shares)	0
Exercised (in shares)	(51,000)
Expired (in shares)	0
Outstanding, end of period (in shares)	1,116,000
Exercisable, end of period (in shares)	1,081,000
Weighted-Average Exercise Price
Outstanding, beginning of period (in dollars per share)	$ 9.03
Granted (in dollars per share)	$ 0
Forfeited (in dollars per share)	$ 0
Exercised (in dollars per share)	$ 1.30
Expired (in dollars per share)	$ 0
Outstanding, end of period (in dollars per share)	$ 9.38
Exercisable, end of period (in dollars per share)	$ 8.90
Proceeds from stock option exercises	66,100	0
Aggregate intrinsic value of options outstanding and exercisable	18,400,000
Closing price of Company stock (in dollars per share)	$ 25.92
Unrecognized compensation cost related to non-vested stock options outstanding	74,000
Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life of property, plant and equipment	5 years
Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life of property, plant and equipment	10 years
Research and Development [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	0	13,200
General and Administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	5,354	13,200
Auxilium [Member]
Concentration of Credit Risk and Major Customers [Abstract]
Accounts receivable	1,900,000
Royalty revenue	2,700,000
Deferred revenue	$ 200,000