XML 32 R48.htm IDEA: XBRL DOCUMENT v2.4.0.8
Commitments and Contingencies - Additional Information (Detail)
 12 Months Ended 12 Months Ended 3 Months Ended 3 Months Ended 3 Months Ended
Dec. 31, 2013
USD ($)
Dec. 31, 2012
USD ($)
Dec. 31, 2011
USD ($)
Dec. 31, 2013
Deutsche Bank Securities
USD ($)
Dec. 31, 2013
Deutsche Bank Securities
EUR (€)
Dec. 31, 2012
Deutsche Bank Securities
USD ($)
Dec. 31, 2013
Berkeley, California (the "Berkeley Lease")
USD ($)
Dec. 31, 2013
Dusseldorf, Germany (the "Dusseldorf Lease")
Dec. 31, 2004
Berkeley, California (the "Berkeley Lease")
USD ($)
Dec. 31, 2013
Berkeley, California (the "Berkeley Lease")
USD ($)
Dec. 31, 2012
Berkeley, California (the "Berkeley Lease")
USD ($)
Dec. 31, 2004
Berkeley, California (the "Berkeley Lease")
Contingency, B
Dec. 31, 2004
Berkeley, California (the "Berkeley Lease")
Contingency, B
Minimum
USD ($)
Dec. 31, 2004
Berkeley, California (the "Berkeley Lease")
Contingency, A
USD ($)
Dec. 31, 2004
Berkeley, California (the "Berkeley Lease")
Contingency, A
Minimum
Dec. 31, 2004
Berkeley, California (the "Berkeley Lease")
Contingency, A
Maximum
USD ($)
Loss Contingencies [Line Items]                                
Operating leases expiration date             2018-06 2023-03                
Unoccupied facility expense $ 926,000           $ 900,000                  
Rent expense, net 1,900,000 1,700,000 1,700,000                          
Deferred rent 600,000 600,000                            
Letter of credit pledged as security         200,000       400,000              
Collateralized certificate of deposit       200,000   200,000       400,000 400,000          
Terms of the lease                 If the total amount of our cash, cash equivalents and marketable securities falls below $20 million for a period of more than 30 consecutive days during the lease term, the amount of the required security deposit will increase to $1.1 million, until such time as our projected cash and cash equivalents will exceed $20 million for the remainder of the lease term, or until our actual cash and cash equivalents remains above $20 million for a period of 12 consecutive months.              
Cash, cash equivalents and marketable securities 189,400,000                       20,000,000     20,000,000
Contingency period for cash, cash equivalents and marketable securities                       12 months     30 days  
Increase in amount of the security deposit                           1,100,000    
Future payments obligation $ 4,500,000