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5. Investment Securities | 3 Months Ended
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Jun. 30, 2013
Notes |
5. Investment Securities | 5. INVESTMENT SECURITIES The amortized cost and approximate fair value of investment securities available for sale consisted of the following (in thousands):
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
June 30, 2013 |  |  |  |  |  |  |  |  |  |  |
Trust preferred | $ | 2,737 |  | $ | - |  | $ | (670 | ) | $ | 2,067
Agency securities |  | 13,000 |  |  | - |  |  | (477 | ) |  | 12,523
Total | $ | 15,737 |  | $ | - |  | $ | (1,147 | ) | $ | 14,590
March 31, 2013 |  |  |  |  |  |  |  |  |  |  |
Trust preferred | $ | 2,766 |  | $ | - |  | $ | (1,528 | ) | $ | 1,238
Agency securities |  | 5,000 |  |  | - |  |  | (22 | ) |  | 4,978
Total | $ | 7,766 |  | $ | - |  | $ | (1,550 | ) | $ | 6,216
The contractual maturities of investment securities available for sale are as follows (in thousands):
June 30, 2013 |  | Amortized Cost |  |  | Estimated Fair Value |
Due in one year or less | $ | - |  | $ | - |
Due after one year through five years |  | 5,000 |  |  | 4,834 |
Due after five years through ten years |  | 8,000 |  |  | 7,689 |
Due after ten years |  | 2,737 |  |  | 2,067 |
Total | $ | 15,737 |  | $ | 14,590 |
The fair value of temporarily impaired securities, the amount of unrealized losses and the length of time these unrealized losses existed are as follows (in thousands):
| Less than 12 months |  | 12 months or longer |  | Total |
|  | Fair Value |  |  | Unrealized Losses |  |  | Fair Value |  |  | Unrealized Losses |  |  | Fair Value |  |  | Unrealized Losses |
June 30, 2013 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trust preferred | $ | - |  | $ | - |  | $ | 2,067 |  | $ | (670 | ) | $ | 2,067 |  | $ | (670 | )
Agency securities |  | 12,523 |  |  | (477 | ) |  | - |  |  | - |  |  | 12,523 |  |  | (477 | )
Total | $ | 12,523 |  | $ | (477 | ) | $ | 2,067 |  | $ | (670 | ) | $ | 14,590 |  | $ | (1,147 | )
|  | Fair Value |  |  | Unrealized Losses |  |  | Fair Value |  |  | Unrealized Losses |  |  | Fair Value |  |  | Unrealized Losses |
March 31, 2013 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trust preferred | $ | - |  | $ | - |  | $ | 1,238 |  | $ | (1,528 | ) | $ | 1,238 |  | $ | (1,528 | )
Agency securities |  | 4,978 |  |  | (22 | ) |  | - |  |  | - |  |  | 4,978 |  |  | (22 | )
Total | $ | 4,978 |  | $ | (22 | ) | $ | 1,238 |  | $ | (1,528 | ) | $ | 6,216 |  | $ | (1,550 | )
At June 30, 2013, the Company had a single collateralized debt obligation which is secured by trust preferred securities issued by 17 other holding companies. The Company holds the mezzanine tranche of this security. All tranches senior to the mezzanine tranche have been repaid by the issuers. Four of the issuers of trust preferred securities in this pool have defaulted (representing 43% of the remaining collateral, including excess collateral), and two other issuers are currently deferring interest payments (5% of the remaining collateral). The Company has estimated an expected default rate of 37% for its portion of this security. The expected default rate was estimated based primarily on an analysis of the financial condition of the underlying issuers. The Company estimates that a default rate of 47% would trigger additional other than temporary impairment (“OTTI”) of this security. The Company utilized a discount rate of 10% to estimate the fair value of this security. There was no excess subordination on this security. During the three months ended June 30, 2013, the Company determined that there was no additional OTTI charge on the above collateralized debt obligation. The Company does not intend to sell this security and it is not more likely than not that the Company will be required to sell the security before the anticipated recovery of the remaining amortized cost basis. To determine the component of gross OTTI related to credit losses, the Company compared the amortized cost basis of the OTTI security to the present value of the revised expected cash flows, discounted using the current pre-impairment yield. The revised expected cash flow estimates are based primarily on an analysis of default rates, prepayment speeds and third-party analytical reports. Significant judgment of management is required in this analysis that includes, but is not limited to, assumptions regarding the ultimate collectibility of principal and interest on the underlying collateral. The unrealized losses on the above agency securities were primarily attributable to increases in market interest rates subsequent to their purchase by the Company. The Company expects the fair value of the agency securities to recover as the agency securities approaches their maturity dates or sooner if market yields for such securities decline. The Company does not believe that the agency securities are impaired because of their credit quality or related to any issuer or industry specific event. Based on management’s evaluation and intent, the unrealized losses related to the agency securities in this table are considered temporary. The Company realized no gains or losses on sales of investment securities for the three months ended June 30, 2013 and 2012. Investment securities with an amortized cost of $1.0 million at June 30, 2013 and March 31, 2013 and a fair value of $967,000 and $996,000 at June 30, 2013 and March 31, 2013, respectively, were pledged as collateral for government public funds held by the Bank.

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