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Subsequent Event	3 Months Ended
	Mar. 31, 2017
Subsequent Events [Abstract]
Subsequent Event	Subsequent Event On April 26, 2017, the Company entered into a definitive agreement with an institutional healthcare investor to purchase 1,100,000 shares of its common stock at a purchase price of $21.50 per share in a registered direct offering. Gross proceeds to the Company, before deducting estimated offering expenses, were $23.7 million. The shares were offered pursuant to the company’s shelf registration and the transaction closed on May 2, 2017. These shares are not included in the number of shares outstanding as of April 28, 2017 on the cover page of this Form 10-Q.

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- Definition

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

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