|
Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Statement Of Financial Position [Abstract] | ||
| Accounts receivable, allowances | $ 492 | $ 346 |
| Preferred stock, par value | $ 0.001 | |
| Preferred stock, shares authorized | 5,000,000 | |
| Preferred stock, shares issued | 50,000 | |
| Preferred stock, shares outstanding | 50,000 | |
| Common stock, par value | $ 0.001 | $ 0.001 |
| Common stock, shares authorized | 150,000,000 | 150,000,000 |
| Common stock, shares issued | 56,388,063 | 56,388,063 |
| Common stock, shares outstanding | 55,985,394 | 55,985,394 |
| Treasury stock, shares | 146,957 | 138,297 |