Fair Value Measurement at March 31, 2013

Total

Quoted Prices in
Active Markets for
Identical Assets
(Level 1)

Significant Other
Observable Inputs
(Level 2)

Significant
Unobservable
Inputs
(Level 3)

Assets:

Cash equivalents—money market funds

$

1,377

$

1,377

$

—

$

—

Cash equivalents—commercial paper

4,550

—

4,550

—

Cash equivalents—corporate bonds

7,443

—

7,443

—

Total assets

$

13,370

$

1,377

$

11,993

$

—

Liabilities:

Contingent acquisition consideration

$

2,147

$

—

$

—

$

2,147

Total liabilities

$

2,147

$

—

$

—

$

2,147