Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments (Tables)

v2.4.0.8
Financial Instruments (Tables)
9 Months Ended
Sep. 30, 2013
Fair Value Disclosures [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
The composition of financial instruments is as follows:
 
September 30, 2013
Amortized
Cost
 
Gross Unrealized
 
Fair
Value
Gains
 
Losses
 
Money market funds
$
3,670

 
$

 
$

 
$
3,670

Government debt securities
19,770

 
11

 
(1
)
 
19,780

Corporate debt securities
36,730

 
15

 
(6
)
 
36,739

 
60,170

 
26

 
(7
)
 
60,189

Less amounts included in cash and cash equivalents
(3,670
)
 

 

 
(3,670
)
 
$
56,500

 
$
26

 
$
(7
)
 
$
56,519

 
December 31, 2012
Amortized
Cost
 
Gross Unrealized
 
Fair
Value
Gains
 
Losses
 
Money market funds
$
4,643

 
$

 
$

 
$
4,643

Government debt securities
6,000

 
3

 

 
6,003

Corporate debt securities
49,441

 
6

 
(4
)
 
49,443

 
60,084

 
9

 
(4
)
 
60,089

Less amounts included in cash and cash equivalents
(4,643
)
 

 

 
(4,643
)
 
$
55,441

 
$
9

 
$
(4
)
 
$
55,446

Financial Instruments Measured on Recurring Basis
The following table presents a summary of the Company’s financial instruments that are measured on a recurring basis:
 
 
 
Fair Value Measurements at September 30, 2013
 
Balance at
September 30,
2013
 
Quoted Prices
in Active
Markets for
Identical Assets
(Level 1)
 
Significant
Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
Money market funds
$
3,670

 
$
3,670

 
$

 
$

Government debt securities
19,780

 

 
19,780

 

Corporate debt securities
36,739

 

 
36,739

 

 
$
60,189

 
$
3,670

 
$
56,519

 
$

 
 
 
Fair Value Measurements at December 31, 2012
 
Balance at
December 31,
2012
 
Quoted Prices
in Active
Markets for
Identical Assets
(Level 1)
 
Significant
Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
Money market funds
$
4,643

 
$
4,643

 
$

 
$

Government debt securities
6,003

 

 
6,003

 

Corporate debt securities
49,443

 

 
49,443

 

 
$
60,089

 
$
4,643

 
$
55,446

 
$