(5) Investments
The amortized cost and estimated fair values of available-for-sale securities by balance sheet classification are as follows:
As of June 30, 2011
|
|
Amortized
Cost
|
|
Gross
Unrealized
Gains
|
|
Gross
Unrealized
Losses
|
|
Fair
Value
|
|
Municipal obligations
|
|
$
|
1,569
|
|
$
|
68
|
|
$
|
|
|
$
|
1,637
|
|
U.S. government securities funds
|
|
984
|
|
|
|
(7
|
)
|
977
|
|
Short-term deposits
|
|
3,931
|
|
|
|
|
|
3,931
|
|
Equity securities
|
|
228
|
|
196
|
|
|
|
424
|
|
Total short-term investment securities
|
|
$
|
6,712
|
|
$
|
264
|
|
$
|
(7
|
)
|
$
|
6,969
|
|
As of December 31, 2010
|
|
Amortized
Cost
|
|
Gross
Unrealized
Gains
|
|
Gross
Unrealized
Losses
|
|
Fair
Value
|
|
Municipal obligations
|
|
$
|
1,883
|
|
$
|
77
|
|
$
|
|
|
$
|
1,960
|
|
U.S. government securities funds
|
|
989
|
|
|
|
(15
|
)
|
974
|
|
Short-term deposits
|
|
3,148
|
|
|
|
|
|
3,148
|
|
Equity securities
|
|
228
|
|
160
|
|
|
|
388
|
|
Total short-term investment securities
|
|
$
|
6,248
|
|
$
|
237
|
|
$
|
(15
|
)
|
$
|
6,470
|
|
The municipal obligations held at a fair value of $1,637 at June 30, 2011 all mature in less than five years.
During the six-month periods ended June 30, 2011 and 2010, the proceeds from the sales of available-for-sale securities were $1,582 and $0, respectively. There were no gross realized gains (losses) on sales of available-for-sale securities (net of tax) for the six-month periods ended June 30, 2011 and 2010, respectively.
The Companys trading securities portfolio totaled $1,636 at June 30, 2011 and $1,778 at December 31, 2010, and generated losses of $6 and $70 for the three months ended June 30, 2011 and 2010, respectively and generated gains of $75 and losses of $26 for the six months ended June 30, 2011 and 2010, respectively.
As of June 30, 2011 and December 31, 2010, the Company had unrealized losses of $7 and $15, respectively, in its U.S. government securities funds. These losses are due to the interest rate sensitivity of the U.S. government securities funds.
|