Acquisition of Bioline Group (Details Textuals) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2009	Jul. 20, 2010
Acquisition of Bioline Group (Textuals) [Abstract]
Goodwill recorded in connection with acquisition				$ 12,992
Goodwill expected tax deductible amount				0
Amortization of fair value adjustment related to inventory excluded from pro forma earnings	694
Amortization of fair value adjustment related to intangible assets excluded from pro forma earnings	694
Amortization of fair value adjustment related to transaction costs excluded from pro forma earnings		1,470
Amortization of identifiable intangible assets, and the related tax effects			730
Bioline Group [Member]
Business Acquisition [Line Items]
Cash and equivalents paid for acquisition				23,849
Cost of sales related to fair value inventory adjustments for sales of products	587	230
General and Administrative Expenses related to the amortization of specific identifiable intangible assets	1,003	166
Transaction costs	$ 1,240	$ 1,240
Customer relationships (10 years) [Member]
Business Acquisition [Line Items]
Estimated useful life of other intangible assets	10
Manufacturing processes (6 years) [Member]
Business Acquisition [Line Items]
Estimated useful life of other intangible assets	6
License agreements (approximate 8 year wtd. avg.) [Member]
Business Acquisition [Line Items]
Estimated weighted average useful life of License agreements	8
Non-compete agreements (1 year) [Member]
Business Acquisition [Line Items]
Estimated useful life of other intangible assets	1
Trade names (10 years) [Member]
Business Acquisition [Line Items]
Estimated useful life of other intangible assets	10