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INVESTMENT SECURITIES | 12 Months Ended
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Dec. 31, 2014
Investments |
INVESTMENT SECURITIES | NOTE 6: INVESTMENT SECURITIES The amortized cost and estimated fair values of available-for-sale securities are as follows:
As of December 31, 2014 |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |
Municipal obligations |  | $ | 100 |  | $ | 1 |  | $ | — |  | $ | 101 |
U.S. government securities funds |  | 1,791 |  | — |  | (15 | ) | 1,776 |
Equity securities |  | 227 |  | 454 |  | (12 | ) | 669 |
Total short-term investment securities |  | $ | 2,118 |  | $ | 455 |  | $ | (27 | ) | $ | 2,546 |
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 |
The municipal obligations held at fair value of $101 at December 31, 2014, all mature in less than two years. During 2014, 2013, and 2012, the proceeds from the sales of available-for-sale securities were $247, $200, and $3,789, respectively. There were no gross realized gains (losses) on sales of available-for-sale securities (net of tax) for the years ended December 31, 2014, 2013, and 2012, respectively. The Company’s trading securities portfolio totaled $1,038 and $971 at December 31, 2014 and 2013, respectively, and generated gains of $56, $122, and $116, for the years ended December 31, 2013, 2012, and 2011, respectively. As of December 31, 2014, and 2013, the Company had unrealized losses of $15, and $14, 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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