Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Assets And Liabilities Measured At Fair Value (Details)

v3.10.0.1
Fair Value Measurements - Assets And Liabilities Measured At Fair Value (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Assets:    
Equity securities $ 22,350  
Fair Value, Measurements, Recurring    
Assets:    
Equity securities 22,350 $ 12,461
Common stock options/warrants 1,799 3,333
Total assets 24,172 15,901
Liabilities:    
Total liabilities 27,754 41,670
Fair Value, Measurements, Recurring | Quoted prices in active markets for identical assets (Level 1)    
Assets:    
Equity securities 22,350 12,461
Common stock options/warrants 0 0
Total assets 22,350 12,568
Liabilities:    
Total liabilities 0 0
Fair Value, Measurements, Recurring | Significant other observable inputs (Level 2)    
Assets:    
Equity securities 0 0
Common stock options/warrants 1,799 3,333
Total assets 1,822 3,333
Liabilities:    
Total liabilities 0 317
Fair Value, Measurements, Recurring | Significant unobservable inputs (Level 3)    
Assets:    
Equity securities 0 0
Common stock options/warrants 0 0
Total assets 0 0
Liabilities:    
Total liabilities 27,754 41,353
Fair Value, Measurements, Recurring | Forward contracts    
Liabilities:    
Total liabilities   317
Fair Value, Measurements, Recurring | Forward contracts | Quoted prices in active markets for identical assets (Level 1)    
Liabilities:    
Total liabilities   0
Fair Value, Measurements, Recurring | Forward contracts | Significant other observable inputs (Level 2)    
Liabilities:    
Total liabilities   317
Fair Value, Measurements, Recurring | Forward contracts | Significant unobservable inputs (Level 3)    
Liabilities:    
Total liabilities   0
Fair Value, Measurements, Recurring | Contingent consideration    
Liabilities:    
Total liabilities 27,754 41,353
Fair Value, Measurements, Recurring | Contingent consideration | Quoted prices in active markets for identical assets (Level 1)    
Liabilities:    
Total liabilities 0 0
Fair Value, Measurements, Recurring | Contingent consideration | Significant other observable inputs (Level 2)    
Liabilities:    
Total liabilities 0 0
Fair Value, Measurements, Recurring | Contingent consideration | Significant unobservable inputs (Level 3)    
Liabilities:    
Total liabilities 27,754 41,353
Money market funds | Fair Value, Measurements, Recurring    
Assets:    
Money market funds   107
Money market funds | Fair Value, Measurements, Recurring | Quoted prices in active markets for identical assets (Level 1)    
Assets:    
Money market funds   107
Money market funds | Fair Value, Measurements, Recurring | Significant other observable inputs (Level 2)    
Assets:    
Money market funds   0
Money market funds | Fair Value, Measurements, Recurring | Significant unobservable inputs (Level 3)    
Assets:    
Money market funds   $ 0
Forward contracts | Fair Value, Measurements, Recurring    
Assets:    
Derivative Asset 23  
Forward contracts | Fair Value, Measurements, Recurring | Quoted prices in active markets for identical assets (Level 1)    
Assets:    
Derivative Asset 0  
Forward contracts | Fair Value, Measurements, Recurring | Significant other observable inputs (Level 2)    
Assets:    
Derivative Asset 23  
Forward contracts | Fair Value, Measurements, Recurring | Significant unobservable inputs (Level 3)    
Assets:    
Derivative Asset $ 0