QUARTERLY FINANCIAL DATA (UNAUDITED) Schedule of Quarterly Financial Information (Details) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012	Nov. 05, 2013 Convertible Debt
Debt Instrument [Line Items]
Gains (Losses) on Extinguishment of Debt				$ (1,594,000)					$ (1,594,000)	$ 0	$ 0
Repurchase amount												13,700,000
Prepayment repurchase percentage												107.00%
Gain from final valuation								803,000	0	803,000	4,897,000
Net revenues:
Product revenues	27,007,000	26,012,000	24,869,000	24,863,000	26,455,000	26,285,000	24,689,000	23,905,000	102,751,000	101,334,000	109,920,000
Intellectual property revenues	1,664,000	1,139,000	723,000	2,220,000	420,000	133,000	64,000	1,822,000	5,746,000	2,439,000	9,563,000
Net revenues	28,671,000	27,151,000	25,592,000	27,083,000	26,875,000	26,418,000	24,753,000	25,727,000	108,497,000	103,773,000	119,483,000
Cost of product revenues	10,571,000	12,254,000	10,979,000	10,676,000	12,753,000	11,666,000	11,369,000	10,975,000	44,480,000	46,763,000	46,407,000
Loss from operations	(654,000)	(2,527,000)	(4,379,000)	(2,214,000)	(3,492,000)	(4,291,000)	(3,872,000)	(3,819,000)	(9,774,000)	(15,474,000)	1,635,000
Net loss	$ (2,485,000)	$ (4,388,000)	$ (5,831,000)	$ (5,371,000)	$ (5,765,000)	$ (6,434,000)	$ (4,847,000)	$ (5,032,000)	$ (18,075,000)	$ (22,078,000)	$ (1,112,000)
Net loss per share:
Basic and diluted (in dollars per sahre)	$ (0.04)	$ (0.07)	$ (0.10)	$ (0.09)	$ (0.10)	$ (0.17)	$ (0.13)	$ (0.18)	$ (0.30)	$ (0.55)	$ (0.04)
Weighted average shares outstanding:
Basic and diluted (in shares)	67,580	59,965	58,327	57,610	57,254	38,630	37,215	28,059	60,887	40,311	25,121