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INVESTMENT SECURITIES | 12 Months Ended
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Dec. 31, 2013
INVESTMENT SECURITIES |
INVESTMENT SECURITIES | NOTE 5: 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, 2013 |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |
Municipal obligations |  | $ | 403 |  | $ | 12 |  | $ | — |  | $ | 415 |
U.S. government securities funds |  | 997 |  | — |  | (14 | ) | 983 |
Equity securities |  | 227 |  | 386 |  | (5 | ) | 608 |
Total short-term investment securities |  | $ | 1,627 |  | $ | 398 |  | $ | (19 | ) | $ | 2,006 |
As of December 31, 2012 |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |
Municipal obligations |  | $ | 608 |  | $ | 30 |  | $ | — |  | $ | 638 |
U.S. government securities funds |  | 995 |  | — |  | (9 | ) | 986 |
Equity securities |  | 227 |  | 228 |  | (8 | ) | 447 |
Total short-term investment securities |  | $ | 1,830 |  | $ | 258 |  | $ | (17 | ) | $ | 2,071 |
The municipal obligations held at fair value of $415 at December 31, 2013, all mature in less than two years. During 2013, 2012 and 2011, the proceeds from the sales of available-for-sale securities were $200, $3,789 and $7,697, respectively. There were no gross realized gains (losses) on sales of available-for-sale securities (net of tax) for the years ended December 31, 2013, 2012 and 2011, respectively. The Company’s trading securities portfolio totaled $971 and $1,276 at December 31, 2013 and 2012, respectively, and generated gains of $122, $116 and $16, for the years ended December 31, 2013, 2012 and 2011, respectively. As of December 31, 2013 and 2012, the Company had unrealized losses of $14 and $9, respectively, in its U.S. government securities funds. 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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