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Subsequent Events	6 Months Ended
Subsequent Events	Jun. 30, 2012
Subsequent Events [Abstract]
Subsequent Event	Subsequent Event On July 2, 2012, the Company terminated its exclusive distribution agreement with its Italian distributor, Global Vascular Technologies S.r.l. ("GVT"), in order to begin direct sales activity in Italy. Immediately after termination, the Company closed an asset purchase agreement for the underlying Italian distribution business from GVT for total consideration of $2.2 million. This business consists of (i) a trained and assembled sales workforce and (ii) various active distribution and direct sales agreements. The Company will account for this transaction as a business combination as of July 2, 2012. The Company is in process of allocating the GVT purchase price among the assets acquired and the liabilities assumed. Any residual amount will be allocated and classified to goodwill on the Condensed Consolidated Balance Sheets.