As of June 30, 2015
AmortizedCost
GrossUnrealizedGains
GrossUnrealizedLosses
FairValue
U.S. government securities funds
$
—
)
Total short-term investment securities
As of December 31, 2014
Municipal obligations
Equity securities
No definition available.
Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value.