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INVESTMENT SECURITIES | 12 Months Ended
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Dec. 31, 2011
INVESTMENT SECURITIES |
INVESTMENT SECURITIES |
NOTE 6: INVESTMENT SECURITIES The amortized cost and estimated fair values of available-for-sale securities by balance sheet classification are as follows:
As of December 31, 2011 |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |
Municipal obligations |  | $ | 1,158 |  | $ | 51 |  | $ | — |  | $ | 1,209 |
U.S. government securities funds |  | 988 |  | — |  | (5 | ) | 983 |
Short-term deposits |  | 3,104 |  | — |  | — |  | 3,104 |
Equity securities |  | 227 |  | 159 |  | (5 | ) | 381 |
Total short-term investment securities |  | $ | 5,477 |  | $ | 210 |  | $ | (10 | ) | $ | 5,677 |
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 fair value of $1,209 at December 31, 2011, all mature in less than five years. During 2011, 2010 and 2009, the proceeds from the sales of available-for-sale securities were $7,697, $125 and $794, respectively. There were no gross realized gains (losses) on sales of available-for-sale securities (net of tax) for the years ended December 31, 2011, 2010 and 2009, respectively. The Company’s trading securities portfolio totaled $1,429 and $1,778 at December 31, 2011 and 2010, respectively, and generated gains of $16, $158 and $182, for the years ended December 31, 2011, 2010 and 2009, respectively. As of December 31, 2011 and 2010, the Company had unrealized losses of $10 and $15, respectively, in its municipal obligations, short-term deposits and equity securities investments. These losses are due to the interest rate sensitivity of the municipal obligations and the performance of the overall stock market for the equity securities.

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- Definition Tabular disclosure of investments in certain debt and equity securities (and certain other trading assets) which include all debt and equity securities (other than those equity securities accounted for under the equity or cost methods of accounting) with readily determinable fair values. Other trading assets include assets that are carried on the balance sheet at fair value and held for trading purposes. A debt security represents a creditor relationship with an enterprise that is in the form of a security. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities (and other trading assets). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27405-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Equity Security -URI http://asc.fasb.org/extlink&oid=6511694 -Topic 320 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27161-111563 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Debt Security -URI http://asc.fasb.org/extlink&oid=6509901 -Topic 320 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 3, 19, 20, 21, 22, 137 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27232-111563 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27357-111563 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27290-111563 + Details
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