Subsequent Events	3 Months Ended
Mar. 31, 2014
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On April 21, 2014, the Company entered into an Agreement and Plan of Merger (the Merger Agreement) with Tenaxis Medical, Inc., a Delaware corporation (Tenaxis), Napa Acquisition Corp., a Delaware corporation and wholly owned subsidiary of the Company, and Fortis Advisors LLC, a Delaware limited liability company, solely in its capacity as the representative and agent of the stockholders and optionholders of Tenaxis (the Representative). On May 1, 2014, the Company completed its acquisition of Tenaxis and Tenaxis became a wholly owned subsidiary of the Company. Tenaxis’s sole product mechanically seals both human tissue and artificial grafts. In the United States, the Tenaxis product received a premarket approval from the FDA in March 2013 for use as a vascular sealant, but Tenaxis has not yet commercialized the product in the United States. In the European Union, the product is approved for sale as a surgical sealant applicable to cardiovascular, general, urological, and thoracic surgery with a European CE Mark and Tenaxis has been commercializing the product since September 2008. Under the Merger Agreement, the Company paid to the holders of Tenaxis’s capital stock, the holders of options to purchase shares of Tenaxis’s capital stock (whether or not such capital stock or options were vested or unvested as of immediately prior to the closing) and the holders of certain warrants and side letters (collectively, the Tenaxis Equityholders) an aggregate of $58.0 million in cash, subject to customary adjustments at and after the closing. The amount paid to the Tenaxis Equityholders at the closing is subject to a post-closing purchase price adjustment process with respect to the net amount of cash, unpaid transaction expenses and specified other debt and liabilities of Tenaxis at closing. At the closing, the Company deposited approximately $5.4 million in cash from the $58.0 million purchase price into an escrow fund for the purposes of securing the indemnification obligations of the Tenaxis Equityholders to the Company for any and all losses for which the Company is entitled to indemnification pursuant to the Merger Agreement and to provide the source of recovery for any amounts payable to the Company as a result of the post-closing purchase price adjustment process. To the extent that any amounts remain in the escrow fund after October 1, 2015 and not subject to claims by the Company, such amounts will be released to the Tenaxis equityholders, subject to certain conditions set forth in the merger agreement. In addition, the Company has agreed to pay to the Tenaxis Equityholders milestone payments subsequent to the closing, if the Company achieves certain regulatory approval milestones and commercial net sales milestones with respect to Tenaxis’s surgical sealant product, at the times and on the conditions set forth in the merger agreement. In the event that all of the milestones set forth in the Merger Agreement are achieved in accordance with the terms of the Merger Agreement, the Company will pay the Tenaxis Equityholders up to an additional $112.0 million in cash in the aggregate. The Merger Agreement includes customary representations, warranties, covenants and indemnification obligations. Due to the limited time since the date of the acquisition, the initial disclosure for this business combination is incomplete as of the date of this filing. As such, it is impracticable for the Company to make certain business combination disclosures at this time. The Company is unable to present the acquisition date fair value of and information related to assets acquired and liabilities assumed. The Company plans to provide this information in its quarterly report on Form 10-Q for the quarter ending June 30, 2014.

Subsequent Events

On April 21, 2014, the Company entered into an Agreement and Plan of Merger (the Merger Agreement) with Tenaxis Medical, Inc., a Delaware corporation (Tenaxis), Napa Acquisition Corp., a Delaware corporation and wholly owned subsidiary of the Company, and Fortis Advisors LLC, a Delaware limited liability company, solely in its capacity as the representative and agent of the stockholders and optionholders of Tenaxis (the Representative). On May 1, 2014, the Company completed its acquisition of Tenaxis and Tenaxis became a wholly owned subsidiary of the Company.

Tenaxis’s sole product mechanically seals both human tissue and artificial grafts. In the United States, the Tenaxis product received a premarket approval from the FDA in March 2013 for use as a vascular sealant, but Tenaxis has not yet commercialized the product in the United States. In the European Union, the product is approved for sale as a surgical sealant applicable to cardiovascular, general, urological, and thoracic surgery with a European CE Mark and Tenaxis has been commercializing the product since September 2008.

Under the Merger Agreement, the Company paid to the holders of Tenaxis’s capital stock, the holders of options to purchase shares of Tenaxis’s capital stock (whether or not such capital stock or options were vested or unvested as of immediately prior to the closing) and the holders of certain warrants and side letters (collectively, the Tenaxis Equityholders) an aggregate of $58.0 million in cash, subject to customary adjustments at and after the closing. The amount paid to the Tenaxis Equityholders at the closing is subject to a post-closing purchase price adjustment process with respect to the net amount of cash, unpaid transaction expenses and specified other debt and liabilities of Tenaxis at closing. At the closing, the Company deposited approximately $5.4 million in cash from the $58.0 million purchase price into an escrow fund for the purposes of securing the indemnification obligations of the Tenaxis Equityholders to the Company for any and all losses for which the Company is entitled to indemnification pursuant to the Merger Agreement and to provide the source of recovery for any amounts payable to the Company as a result of the post-closing purchase price adjustment process. To the extent that any amounts remain in the escrow fund after October 1, 2015 and not subject to claims by the Company, such amounts will be released to the Tenaxis equityholders, subject to certain conditions set forth in the merger agreement.

In addition, the Company has agreed to pay to the Tenaxis Equityholders milestone payments subsequent to the closing, if the Company achieves certain regulatory approval milestones and commercial net sales milestones with respect to Tenaxis’s surgical sealant product, at the times and on the conditions set forth in the merger agreement. In the event that all of the milestones set forth in the Merger Agreement are achieved in accordance with the terms of the Merger Agreement, the Company will pay the Tenaxis Equityholders up to an additional $112.0 million in cash in the aggregate.

The Merger Agreement includes customary representations, warranties, covenants and indemnification obligations.

Due to the limited time since the date of the acquisition, the initial disclosure for this business combination is incomplete as of the date of this filing. As such, it is impracticable for the Company to make certain business combination disclosures at this time. The Company is unable to present the acquisition date fair value of and information related to assets acquired and liabilities assumed. The Company plans to provide this information in its quarterly report on Form 10-Q for the quarter ending June 30, 2014.