Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v3.3.0.814
Fair Value Measurements (Details) - USD ($)
Sep. 30, 2015
Dec. 31, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available-for-sale Securities $ 108,000 $ 107,000
Fair Value, Inputs, Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Business Combination, Contingent Consideration, Liability 26,542,000  
Fair Value, Inputs, Level 1 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 8,955,000  
Marketable Securities, Fair Value Disclosure 1,592,000  
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Marketable Securities, Fair Value Disclosure 48,000  
Mutual Funds [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Marketable Securities, Fair Value Disclosure 60,000  
US Treasury Securities [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Marketable Securities, Fair Value Disclosure 1,227,000  
US Government Agencies Securities [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Marketable Securities, Fair Value Disclosure 257,000  
Cash [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 5,179,000  
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 3,776,000  
Asuragen [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Business Combination, Contingent Consideration, Liability 4,476,000  
RedPath [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Business Combination, Contingent Consideration, Liability 22,066,000  
Reported Value Measurement [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 8,955,000  
Business Combination, Contingent Consideration, Liability 26,542,000  
Reported Value Measurement [Member] | Money Market Funds [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Marketable Securities, Fair Value Disclosure 48,000  
Reported Value Measurement [Member] | Mutual Funds [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Marketable Securities, Fair Value Disclosure 60,000  
Reported Value Measurement [Member] | US Treasury Securities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Marketable Securities, Fair Value Disclosure 1,227,000  
Reported Value Measurement [Member] | US Government Agencies Securities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Marketable Securities, Fair Value Disclosure 257,000  
Reported Value Measurement [Member] | Cash [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 5,179,000  
Reported Value Measurement [Member] | Money Market Funds [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 3,776,000  
Reported Value Measurement [Member] | Asuragen [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Business Combination, Contingent Consideration, Liability 4,476,000  
Reported Value Measurement [Member] | RedPath [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Business Combination, Contingent Consideration, Liability 22,066,000  
Estimate of Fair Value Measurement [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 8,955,000  
Marketable Securities, Fair Value Disclosure 1,592,000  
Business Combination, Contingent Consideration, Liability 26,542,000  
Estimate of Fair Value Measurement [Member] | Money Market Funds [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Marketable Securities, Fair Value Disclosure 48,000  
Estimate of Fair Value Measurement [Member] | Mutual Funds [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Marketable Securities, Fair Value Disclosure 60,000  
Estimate of Fair Value Measurement [Member] | US Treasury Securities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Marketable Securities, Fair Value Disclosure 1,227,000  
Estimate of Fair Value Measurement [Member] | US Government Agencies Securities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Marketable Securities, Fair Value Disclosure 257,000  
Estimate of Fair Value Measurement [Member] | Cash [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 5,179,000  
Estimate of Fair Value Measurement [Member] | Money Market Funds [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 3,776,000  
Estimate of Fair Value Measurement [Member] | Asuragen [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Business Combination, Contingent Consideration, Liability 4,476,000  
Estimate of Fair Value Measurement [Member] | RedPath [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Business Combination, Contingent Consideration, Liability $ 22,066,000