|
Income Taxes (Reconciliation of Income Tax) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
| Income Tax Disclosure [Abstract] | |||
| State and local income taxes, net of federal benefit | $ 1,901 | $ (3,282) | $ (2,834) |
| State and local income taxes, net of federal benefit | 65 | (16) | (85) |
| State rate change and other adjustments | 0 | 531 | 160 |
| Effective Income Tax Rate Reconciliation, Change in State Deferred Tax Assets, Amount | (590) | 0 | 0 |
| Increase (decrease) in valuation allowance | (1,672) | 597 | 1,490 |
| Foreign tax differential | 24 | 915 | 816 |
| Research and development credits | (365) | 127 | (49) |
| Share based compensation | 491 | 518 | 402 |
| Uncertain tax positions | (43) | 767 | (46) |
| Adjustments to federal deferred taxes | 110 | 525 | 0 |
| Other | 130 | 67 | 275 |
| Income tax provision | $ 51 | $ 749 | $ 129 |