XML 43 R17.htm IDEA: XBRL DOCUMENT

Subsequent Events	9 Months Ended
Subsequent Events	Sep. 30, 2012
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENTS During October 2012, the Board of Directors granted stock options to purchase 119,360 shares of common stock at a weighted-average exercise price of $31.44 per share. The stock options vest over four years. During October 2012, the Company financed the purchase of equipment through a capital lease agreement that will increase its capital lease commitments by approximately $0.4 million through 2015. During November 2012, the Board of Directors granted stock options to purchase 76,855 shares of common stock at a weighted-average exercise price of $28.99 per share. The stock options vest over four years. During November 2012, the Board of Directors granted restricted stock units for 3,000 shares of common stock which vest over a weighted-average period of 2.0 years. During November 2012, the Company amended the SVB Credit Facility (see Note 6). The SVB Credit Facility is subject to certain financial covenants, including an adjusted quick ratio.