|
Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified |
Jun. 30, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Available-for-sale investments, at quoted market value, cost | $ 2,882 | $ 2,741 |
| Common stock, par value | $ 0.01 | $ 0.01 |
| Common stock, shares authorized | 20,000,000 | 20,000,000 |
| Common stock, shares issued | 9,207,874 | 9,062,633 |
| Common stock, shares outstanding | 9,207,874 | 9,062,633 |