|
Share-based Compensation and Stock Option Plan Stock Option Activity (Details) (USD $)
|
12 Months Ended |
|
Dec. 31, 2013
|
| Weighted-Average Exercise Price [Roll Forward] |
|
| Weighted-Average Exercise Price, Begining balance |
$ 6.21 |
| Weighted-Average Exercise Price, Granted |
$ 0.50 |
| Weighted-Average Excercise Price, Exercised |
$ 0.00 |
| Weighted-Average Exercise Price, Cancelled/expired |
$ 6.01 |
| Weighted-Average Exercise Price, Ending balance |
$ 5.88 |
| Weighted-Average Excercise Price, Exercisable at the end of period |
$ 5.92 |
| Weighted-Average Excercise Price, Vested and expected to vest at the end of period |
$ 5.91 |
|
Stock Options [Member]
|
|
| Number of Shares [Roll Forward] |
|
| Stock Options Number of Shares, Begining balance |
644,446 |
| Stock Options Number of Shares, Granted |
36,000 |
| Exercise of stock options - shares |
0 |
| Stock Options Number of Shares, Cancelled/expired |
(153,200) |
| Stock Options Number of Shares, Ending balance |
527,246 |
| Stock Options Number of Shares, Exercisable at the end of the period |
513,496 |
| Stock Options Number of Shares, Vested and expected to vest at the end of period |
526,771 |
| Common Stock, Capital Shares Reserved for Future Issuance |
478,759 |
| Average remaining contractual life (years) [Abstract] |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term |
5 years 2 months 12 days |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term |
5 years 1 month 27 days |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term |
5 years 1 month 27 days |
| Aggregate Intrinsic Value [Abstract] |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value |
$ 3,000 |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value |
3,000 |
| Share Based Compensation Arrangement By Share Based Payment Award Options Expected To Vest Intrinsic Value At Period End |
$ 0 |