Hemosphere Acquisition (Business Acquisition Purchase Price Allocation) (Details) (Hemosphere [Member], USD $) In Thousands, unless otherwise specified	May 16, 2012
Hemosphere [Member]
Cash and cash equivalents	$ 3,155
Receivables	653
Inventories	554
Intangible assets	5,790
Goodwill	7,080
Deferred tax assets, net	5,444
Other assets	331
Liabilities assumed	(972)
Total purchase price	$ 22,035

The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

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The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

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The amount of acquisition cost of a business combination allocated to assets acquired.

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The amount of cash and cash equivalents acquired in a business combination.

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The amount of acquisition cost of a business combination allocated to inventory, including finished goods, work-in-process, and raw materials.

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The amount of acquisition cost of a business combination allocated to receivables.

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Amount of acquisition cost of a business combination allocated to noncurrent deferred tax assets net of valuation allowance and noncurrent deferred tax liabilities.

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

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The amount of acquisition cost of a business combination allocated to liabilities assumed.

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