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CASH, CASH EQUIVALENTS AND AVAILABLE-FOR-SALE SECURITIES (Tables)
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12 Months Ended |
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Dec. 31, 2013
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| CASH, CASH EQUIVALENTS AND AVAILABLE-FOR-SALE SECURITIES |
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| Schedule of cash, cash equivalents and available-for-sale securities |
Cash, cash equivalents and available-for-sale securities consist of the following (in thousands):
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December 31, |
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2013 |
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2012 |
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Checking account
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$ |
195 |
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$ |
251 |
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Money market funds
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9,059 |
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23,936 |
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U. S. treasury bills
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2,085 |
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— |
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Government-sponsored enterprise securities
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67,178 |
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77,047 |
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Corporate bonds and commercial paper
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133,458 |
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197,007 |
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$ |
211,975 |
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$ |
298,241 |
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Reported as:
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Cash and cash equivalents
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$ |
20,854 |
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$ |
33,484 |
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Available-for-sale securities
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191,121 |
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264,757 |
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$ |
211,975 |
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$ |
298,241 |
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| Schedule of cash equivalents and available-for-sale securities including the securities with unrealized gains and losses |
Cash equivalents and available-for-sale securities included the following securities with unrealized gains and losses (in thousands):
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December 31, 2013
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Amortized
Cost |
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Gross
Unrealized
Gains |
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Gross
Unrealized
Losses |
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Fair Value |
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U. S. treasury bills
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$ |
2,083 |
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$ |
2 |
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$ |
— |
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$ |
2,085 |
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Government-sponsored enterprise securities
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67,160 |
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29 |
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(11 |
) |
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67,178 |
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Corporate bonds and commercial paper
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133,431 |
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33 |
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(6 |
) |
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133,458 |
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Total
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$ |
202,674 |
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$ |
64 |
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$ |
(17 |
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$ |
202,721 |
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December 31, 2012
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Amortized
Cost |
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Gross
Unrealized
Gains |
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Gross
Unrealized
Losses |
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Fair Value |
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Government-sponsored enterprise securities
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$ |
77,041 |
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$ |
37 |
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$ |
(31 |
) |
$ |
77,047 |
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Corporate bonds and commercial paper
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196,931 |
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98 |
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(22 |
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197,007 |
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Total
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$ |
273,972 |
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$ |
135 |
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$ |
(53 |
) |
$ |
274,054 |
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| Schedule of contractual maturities of cash equivalents and available-for-sale securities |
As of December 31, 2013, the contractual maturities of our cash equivalents and available-for-sale securities were (in thousands):
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Years to Maturity |
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Within
One Year |
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After One Year
Through
Two Years |
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U. S. treasury bills
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$ |
— |
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$ |
2,085 |
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Government-sponsored enterprise securities
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49,394 |
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17,784 |
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Corporate bonds and commercial paper
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132,452 |
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1,006 |
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$ |
181,846 |
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$ |
20,875 |
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| Schedule of fair value and gross unrealized losses of the entity's investments in unrealized loss position |
The following table shows the fair value and gross unrealized losses of our investments in individual securities that are in an unrealized loss position, aggregated by investment category (in thousands):
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December 31, 2013
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Fair Value |
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Unrealized Losses |
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Government-sponsored enterprise securities
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$ |
7,989 |
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$ |
(11 |
) |
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Corporate bonds and commercial paper
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23,266 |
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(6 |
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Total
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$ |
31,255 |
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$ |
(17 |
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