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Borrowings (Tables)
 12 Months Ended
Dec. 31, 2013
Borrowings [Abstract]  
Summary Of Principal Amounts And Related Unamortized Discount On Convertible Notes

 

 

 

 

 

 

 

(in thousands)

 

2013

 

2012

Principal amount of convertible notes

 

$
12,540 

 

$
90,960 

Unamortized discount on convertible notes

 

 
(1,124)

 

 
(10,429)

Net carrying value

 

$
11,416 

 

$
80,531 

 

Summary Of Other Information Related To Convertible Notes

 

 

 

 

 

 

Total amortization period for debt discount

 

5 years

Remaining amortization period for debt discount

 

3 years

Effective interest rates on convertible notes

 

9.51%

 

Summary Of Interest Costs Related to Convertible Notes

 

 

 

 

 

 

 

 

 

 

(in thousands)

 

2013

 

2012

 

2011

Contractual interest coupon

 

$
1,685 

 

$
8,053 

 

$
906 

Amortization of debt discount

 

 
974 

 

 
3,876 

 

 
409 

Total

 

$
2,659 

 

$
11,929 

 

$
1,315