Leases	6 Months Ended
Jun. 30, 2012
Leases [Abstract]
Leases	NOTE 13. LEASES In April 2012, the Company entered into an office and laboratory lease agreement to lease approximately 52,500 rentable square feet in Newark, California commencing on December 1, 2012. The Company is obligated to lease approximately 8,000 additional rentable square feet commencing no later than December 1, 2015. The Lease will expire on November 30, 2022. However, the Company has the right to renew the lease for one additional five year term, provided that written notice is made to the landlord no later than 12 months prior to the lease expiration. The Company will have the one-time right to terminate the lease in its entirety effective as of November 30, 2017 by delivering written notice to the landlord on or before December 1, 2016. In the event of such termination, the Company will pay the landlord the unamortized portion of the tenant improvement allowance, specified additional allowances made by the landlord, waived base rent and leasing commissions, in each case amortized at 8% interest. The Company was allowed to control physical access to the premises upon signing the lease therefore, in accordance with the applicable accounting guidance, the lease term was deemed to have commenced in April 2012. Accordingly, the rent free periods and the escalating rent payments contained within the lease are being recognized on a straight-line basis from April 2012. The Company will pay approximately $12.2 million in aggregate as rent over the term of the lease for the above premises. Rent expense and deferred rent for the new lease was approximately $0.3 million for the three and six months ended June 30, 2012.

Leases

6 Months Ended

Jun. 30, 2012

NOTE 13. LEASES

In April 2012, the Company entered into an office and laboratory lease agreement to lease approximately 52,500 rentable square feet in Newark, California commencing on December 1, 2012. The Company is obligated to lease approximately 8,000 additional rentable square feet commencing no later than December 1, 2015. The Lease will expire on November 30, 2022. However, the Company has the right to renew the lease for one additional five year term, provided that written notice is made to the landlord no later than 12 months prior to the lease expiration. The Company will have the one-time right to terminate the lease in its entirety effective as of November 30, 2017 by delivering written notice to the landlord on or before December 1, 2016. In the event of such termination, the Company will pay the landlord the unamortized portion of the tenant improvement allowance, specified additional allowances made by the landlord, waived base rent and leasing commissions, in each case amortized at 8% interest.

The Company was allowed to control physical access to the premises upon signing the lease therefore, in accordance with the applicable accounting guidance, the lease term was deemed to have commenced in April 2012. Accordingly, the rent free periods and the escalating rent payments contained within the lease are being recognized on a straight-line basis from April 2012. The Company will pay approximately $12.2 million in aggregate as rent over the term of the lease for the above premises. Rent expense and deferred rent for the new lease was approximately $0.3 million for the three and six months ended June 30, 2012.