SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)	3 Months Ended			9 Months Ended		12 Months Ended	9 Months Ended			0 Months Ended	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Mar. 31, 2012 Payment	Sep. 30, 2014 Quarter Plan	Sep. 30, 2013	Dec. 31, 2013	Sep. 30, 2014 Minimum [Member]	Sep. 30, 2014 Maximum [Member]	Sep. 30, 2013 Board of Directors [Member]	Oct. 06, 2014 Board of Directors [Member] Subsequent Event [Member]	Sep. 30, 2014 Research and Development [Member]	Sep. 30, 2013 Research and Development [Member]	Sep. 30, 2014 Research and Development [Member]	Sep. 30, 2013 Research and Development [Member]	Sep. 30, 2014 General and Administrative [Member]	Sep. 30, 2013 General and Administrative [Member]	Sep. 30, 2014 General and Administrative [Member]	Sep. 30, 2013 General and Administrative [Member]	Sep. 30, 2014 Auxilium [Member] Customer	Sep. 30, 2013 Auxilium [Member]	Sep. 30, 2014 Auxilium [Member] Customer
Cash, Cash Equivalents and Investments [Abstract]
Aggregate fair value of investments	$ 7,794,683			$ 7,794,683		$ 6,966,964
Held-to-maturity securities, unrecognized gain	0			0		0
Held-to-maturity securities, unrecognized loss	0			0		0
Concentration of Credit Risk and Major Customers [Abstract]
Accounts receivable	3,089,229			3,089,229		5,004,418													3,100,000		3,100,000
Number of customers																			1		1
Royalty revenue	3,484,975	3,087,491		8,850,067	9,717,994														4,000,000	2,100,000
Deferred revenue																			160,000		160,000
Amortized development period																					3 years
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
Treasury Stock [Abstract]
Treasury stock purchased (in shares)				28,716	36,568
Average price of share (in dollars per share)				$ 26.14	$ 16.63
Reimbursable Third Party Development Costs [Abstract]
Accrued patent costs	13,000			13,000		60,000
Royalty Buy-Down [Abstract]
Royalty expenses	210,161	95,484		464,705	287,386
Payment for royalty buy down			1,500,000			600,000
Number of additional cash payments for royalty buy down			5
Deferred costs, amortization period				5 years
Amount amortized related to agreement				102,000
Deferred royalty buy-down	3,247,554			3,247,554		3,350,000
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	1,172		16,062	106,621						0	0	0	92,249	5,354	1,172	16,062	14,372
Stock granted during period, value of stock options				123,000					157,000
Assumptions used to estimate the fair values of the stock options granted [Abstract]
Risk-free interest rate (in hundredths)				1.66%	1.21%
Expected volatility (in hundredths)				32.00%	35.00%
Expected life (in years)				5 years	5 years
Dividend yield (in hundredths)				0.00%	0.00%
Total number of shares
Outstanding, beginning of period (in shares)				1,167,000
Granted (in shares)				15,000					30,000
Forfeited (in shares)				(15,000)
Exercised (in shares)				(175,000)
Expired (in shares)				0						(15,000)
Outstanding, end of period (in shares)	992,000			992,000		1,167,000
Exercisable, end of period (in shares)	960,750			960,750
Weighted-Average Exercise Price
Outstanding, beginning of period (in dollars per share)				$ 9.03
Granted (in dollars per share)				$ 26.48
Forfeited (in dollars per share)				$ 26.48
Exercised (in dollars per share)				$ 1.17
Expired (in dollars per share)				$ 0
Outstanding, end of period (in dollars per share)	$ 10.41			$ 10.41		$ 9.03
Exercisable, end of period (in dollars per share)	$ 9.93			$ 9.93
Proceeds from stock option exercises		10,000		204,550	10,000
Aggregate intrinsic value of options outstanding and exercisable	24,400,000			24,400,000
Closing price of Company stock (in dollars per share)	$ 35.30			$ 35.30
Unrecognized compensation cost related to non-vested stock options outstanding	$ 63,000			$ 63,000
Stock option expired (in shares)				0						15,000
Property, Plant and Equipment [Line Items]
Estimated useful life of property, plant and equipment							5 years	10 years