Quarterly report pursuant to Section 13 or 15(d)

Contingencies (Details)

v3.3.1.900
Contingencies (Details)
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jan. 04, 2016
USD ($)
Oct. 31, 2015
USD ($)
Jul. 31, 2015
USD ($)
Apr. 22, 2014
USD ($)
Nov. 30, 2012
Jun. 30, 2004
Oct. 31, 2015
Apr. 30, 2014
USD ($)
Jan. 31, 2016
USD ($)
Jul. 31, 2014
Jun. 20, 2014
USD ($)
Contingencies (Details) [Line Items]                      
Gain Contingency, Patents Allegedly Infringed upon, Number           6          
Number of Licensee Patents                 4    
Gain Contingency, Patents Found Not Infringed upon, Number         1            
Gain Contingencies Prejudgement Interest                 $ 12,500,000    
Additional Escrow Deposit                     $ 30
Amount received from escrow                 7,030,000    
Affymetrix Inc [Member]                      
Contingencies (Details) [Line Items]                      
Payments for Legal Settlements   $ 6,800,000                  
Perkin Elmer [Member]                      
Contingencies (Details) [Line Items]                      
Escrow Deposit                     $ 7,000,000
Subpoena [Member]                      
Contingencies (Details) [Line Items]                      
Estimated Litigation Liability, Current                 10,000,000    
Additional amount accrued for achievement of milestone                 1,500,000    
Total liability for settlement agreement                 2,700,000    
Current liability for settlement agreement                 1,900,000    
Other liability for settlement agreement                 $ 800,000    
Luminex [Member]                      
Contingencies (Details) [Line Items]                      
Litigation Settlement, Amount     $ 7,100,000                
Siemens [Member]                      
Contingencies (Details) [Line Items]                      
Litigation Settlement, Amount     6,700,000                
Royalty Revenue     $ 1,000,000                
Agilent Technologies, Inc Member                      
Contingencies (Details) [Line Items]                      
Payments for Legal Settlements $ 6,100,000                    
Agreement [Member] | Affymetrix Inc [Member]                      
Contingencies (Details) [Line Items]                      
Litigation Settlement, Amount       $ 5,100,000              
Proceeds from Legal Settlements       4,300,000              
Litigation Settlement, Expense       $ 800,000              
Subpoena [Member]                      
Contingencies (Details) [Line Items]                      
Investigation Period                 The time period initially covered by the investigation was from 2004 through 2011    
Estimated Litigation Settlement Amount               $ 2,000,000      
Period Over Which Settlement Amount Has to Be Paid               5 years      
Additional Payment of Litigation Settlement Amount                 $ 1,500,000    
Percentage of Additional Payment of Litigation Settlement Amount over Additional Capital Receipt                 20.00%    
Indemnification Agreement [Member]                      
Contingencies (Details) [Line Items]                      
Gain Contingency, Unrecorded Amount                 $ 48,500,000    
Minimum [Member] | Siemens [Member]                      
Contingencies (Details) [Line Items]                      
Litigation Settlement Period     2015                
Minimum [Member] | Subpoena [Member]                      
Contingencies (Details) [Line Items]                      
Litigation Settlement Period                 2004 2004  
Amount of Additional Capital Receipt Condition for Litigation Settlement                 $ 10,000,000    
Maximum [Member] | Siemens [Member]                      
Contingencies (Details) [Line Items]                      
Litigation Settlement Period     2019                
Maximum [Member] | Subpoena [Member]                      
Contingencies (Details) [Line Items]                      
Litigation Settlement Period             2014