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INVESTMENTS: (Tables) | 3 Months Ended
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Mar. 31, 2014
Investments [Abstract] |
Available-for-sale Securities [Table Text Block] | The Company’s investments (short-term and long-term) as of March 31, 2014, and December 31, 2013, consist of the following:
|  | Amortized Cost Basis |  | Gross Unrealized Losses |  | Gross Unrealized Gains |  | Fair Value |
|  | (In thousands) |
March 31, 2014 |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities |  | $ | 906 |  | $ | (2) |  | $ | 9 |  | $ | 913 |
Government sponsored enterprise mortgage-backed securities |  |  | 101 |  |  | — |  |  | 1 |  |  | 102 |
Mutual funds |  |  | 2,436 |  |  | (101) |  |  | — |  |  | 2,335 |
Total investments |  | $ | 3,443 |  | $ | (103) |  | $ | 10 |  | $ | 3,350 |
|  | Amortized Cost Basis |  | Gross Unrealized Losses |  | Gross Unrealized Gains |  | Fair Value |
|  | (In thousands) |
December 31, 2013 |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities |  | $ | 147 |  | $ | (2) |  | $ | 2 |  | $ | 147 |
Mutual funds |  |  | 2,528 |  |  | (213) |  |  | — |  |  | 2,315 |
Total investments |  | $ | 2,675 |  | $ | (215) |  | $ | 2 |  | $ | 2,462 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block] | The following tables show the gross unrealized losses and fair value of the Company’s investments with unrealized losses that are not deemed to be other-than-temporarily impaired, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position:
|  | Fair Value < 1 Year |  | Unrealized Losses < 1 Year |  | Fair Value > 1 Year |  | Unrealized Losses > 1 Year |  | Total Unrealized Losses |
|  | (In thousands) |
March 31, 2014 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities |  | $ | 574 |  | $ | (2) |  | $ | — |  | $ | — |  | $ | (2) |
Government sponsored enterprise mortgage-backed securities |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Mutual funds |  |  | 289 |  |  | (22) |  |  | 1,719 |  |  | (79) |  |  | (101) |
Total investments |  | $ | 863 |  | $ | (24) |  | $ | 1,719 |  | $ | (79) |  | $ | (103) |
|  | Fair Value < 1 Year |  | Unrealized Losses < 1 Year |  | Fair Value > 1 Year |  | Unrealized Losses > 1 Year |  | Total Unrealized Losses |
|  | (In thousands) |
December 31, 2013 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities |  | $ | 119 |  | $ | (2) |  | $ | — |  | $ | — |  | $ | (2) |
Mutual funds |  |  | 765 |  |  | (27) |  |  | 1,477 |  |  | (186) |  |  | (213) |
Total investments |  | $ | 884 |  | $ | (29) |  | $ | 1,477 |  | $ | (186) |  | $ | (215) |
Investments Classified by Contractual Maturity Date [Table Text Block] | The amortized cost and estimated fair value of debt securities at March 31, 2014, by contractual maturity, are shown below.
|  | Amortized Cost Basis |  | Fair Value |
|  | (In thousands) |
Within 1 year |  | $ | 307 |  | $ | 307 |
After 1 year through 5 years |  |  | 295 |  |  | 301 |
After 5 years through 10 years |  |  | 304 |  |  | 305 |
After 10 years |  |  | 101 |  |  | 102 |
Total debt securities |  | $ | 1,007 |  | $ | 1,015 |
Schedule Of Available For Sale Securities [Table Text Block] | Available-for-sale securities were sold as follows:
|  | Three Months Ended March 31, |
|  | 2014 |  | 2013 |
|  | (In thousands) |
Proceeds from sales |  | $ | 23 |  | $ | 503 |
Gross realized gains |  |  | — |  |  | — |
Gross realized losses |  |  | — |  |  | — |

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