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Note 14 - Available-for-sale Securities | 12 Months Ended
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Dec. 31, 2018
Notes to Financial Statements |
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] |
14. | AVAILABLE-FOR-SALE SECURITIES
We have purchased certain investments to meet dual objectives of capital preservation and maintenance of sufficient resources to fund insurance losses. As such, the investments are not held for the purpose of trading. Furthermore, due to the uncertain nature of insurance losses, the investments are not held-to-maturity, and are thus classified as available-for-sale securities. Unrealized holding gains and losses on these investments are excluded from earnings and reported in other comprehensive income until realized. Unrealized holding losses below, which are comprised of 10 investments in an unrealized loss position, are not considered other-than-temporary, as both the duration and amount of unrealized losses have been insignificant.
(in thousands) |  | December 31, 2018 |
|  | Amortized cost basis |  |  | Gross unrealized losses (less than 12 months) |  |  | Fair value |
US corporate securities, maturing within one to five years |  | $ | 396 |  |  | $ | (3 | ) |  | $ | 393 |
Certificates of deposit, maturing in less than one year |  |  | 600 |  |  |  | (1 | ) |  |  | 599 |
Certificates of deposit, maturing within one to five years |  |  | 500 |  |  |  | (3 | ) |  |  | 497 |
Total available-for-sale securities |  | $ | 1,496 |  |  | $ | (7 | ) |  | $ | 1,489 |

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