Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v2.4.0.8
Fair Value Measurements (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Summary of investments classified as available for sale, and carried at fair value    
Amortized Cost $ 79,041 $ 5,335
Gross unrealized gains in Accumulated OCI 1,928 6,725
Gross unrealized losses in Accumulated OCI (7) 0
Gain/(Loss) in Accumulated Deficit 959 88
Fair value 81,921 12,148
Common stock investments, available for sale [Member]
   
Summary of investments classified as available for sale, and carried at fair value    
Amortized Cost 1,376 2,051
Gross unrealized gains in Accumulated OCI 1,160 6,185
Gross unrealized losses in Accumulated OCI 0 0
Gain/(Loss) in Accumulated Deficit      
Fair value 2,536 8,236
BZNE Note and conversion feature [Member]
   
Summary of investments classified as available for sale, and carried at fair value    
Amortized Cost 1,700 1,700
Gross unrealized gains in Accumulated OCI 53 53
Gross unrealized losses in Accumulated OCI 0 0
Gain/(Loss) in Accumulated Deficit 287 287
Fair value 2,040 2,040
Neovasc common stock options [Member]
   
Summary of investments classified as available for sale, and carried at fair value    
Amortized Cost 925 925
Gross unrealized gains in Accumulated OCI 715 293
Gross unrealized losses in Accumulated OCI 0 0
Gain/(Loss) in Accumulated Deficit 679 176
Fair value 2,319 1,394
Neovasc common stock warrants [Member]
   
Summary of investments classified as available for sale, and carried at fair value    
Amortized Cost   659
Gross unrealized gains in Accumulated OCI   194
Gross unrealized losses in Accumulated OCI   0
Gain/(Loss) in Accumulated Deficit   (375)
Fair value   478
US Treasury Securities [Member]
   
Summary of investments classified as available for sale, and carried at fair value    
Amortized Cost 75,040  
Gross unrealized gains in Accumulated OCI 0  
Gross unrealized losses in Accumulated OCI (7)  
Gain/(Loss) in Accumulated Deficit (7)  
Fair value $ 75,026