Common Stock

3 Months Ended

Mar. 31, 2014

Equity [Abstract]

Common Stock

5. Common Stock

As of March 31, 2014 and December 31, 2013, the Company was authorized to issue 500,000 shares of $0.001 par value common stock. Reserved shares of common stock are as follows:

	March 31, 2014		December 31, 2013
Options available for future grant under stock option plans		6,288		4,585
Options outstanding under stock option plans		4,510		4,855
Shares available for future issuance under ESPP		1,184		854
		11,982		10,294