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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3) (USD $)	3 Months Ended	12 Months Ended
	Sep. 30, 2012	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011
Revenue Recognition
Increase in product sales, net	$ 1,700,000
Product return reserve as percentage of product sales		2.00%
Product return reserve		3,200,000
Maximum monthly co-pay assistance		500
Foreign Currency
Gain on foreign currency translation		$ 100,000	$ 500,000	$ 0

The aggregate foreign currency transaction gain (loss) (both realized and unrealized) included in determining net income for the reporting period. Excludes foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements. For certain enterprises, primarily banks, that are dealers in foreign exchange, foreign currency transaction gains (losses) may be disclosed as dealer gains (losses).

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