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Share-Based Compensation (Details) (USD $) | 3 Months Ended | 9 Months Ended | 1 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012 | Feb. 28, 2013 Incentive award | Feb. 29, 2012 Incentive award | Sep. 30, 2013 Stock Options | Sep. 30, 2012 Stock Options | Sep. 30, 2013 Restricted Stock
Share-Based Compensation |  |  |  |  |  |  |  |  |
Total compensation expense recognized for share-based compensation (in dollars) | $ 106,000 | $ 112,000 | $ 319,000 | $ 379,000 |  |  |  |  |
Tax benefit or expense related to compensation expense | 0 | 0 | 0 | 0 |  |  |  |  |
Historical annual forfeiture rates (as a percent) | 2.90% | 3.20% | 2.90% | 3.20% |  |  |  |  |
Share-Based Compensation |  |  |  |  |  |  |  |  |
Incentive bonus on meeting certain performance metrics (in dollars) |  |  |  |  | 133,100 | 150,300 |  |  |
Common stock issued (in shares) |  |  |  |  | 33,187 | 39,294 |  |  |
Summary of stock option award activity |  |  |  |  |  |  |  |  |
Outstanding at the beginning of the period (in shares) |  |  |  |  |  |  | 79,000 |  |
Forfeited or cancelled (in shares) |  |  |  |  |  |  | (19,000) |  |
Outstanding at the end of the period (in shares) |  |  |  |  |  |  | 60,000 |  |
Exercisable at the end of the period (in shares) |  |  |  |  |  |  | 55,000 |  |
Expected to vest at the end of the period (in shares) |  |  |  |  |  |  | 3,600 |  |
Weighted Average Exercise Price |  |  |  |  |  |  |  |  |
Outstanding at the beginning of the period (in dollars per share) |  |  |  |  |  |  | $ 23.52 |  |
Forfeited or cancelled (in dollars per share) |  |  |  |  |  |  | $ 35.82 |  |
Outstanding at the end of the period (in dollars per share) |  |  |  |  |  |  | $ 19.63 |  |
Exercisable at the end of the period (in dollars per share) |  |  |  |  |  |  | $ 20.94 |  |
Expected to vest at the end of the period (in dollars per share) |  |  |  |  |  |  | $ 5.20 |  |
Weighted Average Grant-Date Fair Value |  |  |  |  |  |  |  |  |
Forfeited or cancelled (in dollars per share) |  |  |  |  |  |  | $ 12.29 |  |
Outstanding at the end of the period (in dollars per share) |  |  |  |  |  |  | $ 7.33 |  |
Exercisable at the end of the period (in dollars per share) |  |  |  |  |  |  | $ 7.77 |  |
Expected to vest at the end of the period (in dollars per share) |  |  |  |  |  |  | $ 2.48 |  |
Weighted Average Remaining Contractual Term |  |  |  |  |  |  |  |  |
Outstanding at the end of the period |  |  |  |  |  |  | 3 years 7 months 6 days |  |
Exercisable at the end of the period |  |  |  |  |  |  | 3 years 4 months 24 days |  |
Expected to vest at the end of the period |  |  |  |  |  |  | 5 years 4 months 24 days |  |
Additional disclosure |  |  |  |  |  |  |  |  |
Granted (in shares) |  |  |  |  |  |  | 0 | 0 |
Exercised (in shares) |  |  |  |  |  |  | 0 | 0 |
Fair value of shares vested (in dollars) |  |  |  |  |  |  | 12,000 | 79,000 |
Total unamortized compensation expense (in dollars) |  |  |  |  |  |  | $ 5,000 |  |
Weighted average period for recognition of unamortized compensation expense |  |  |  |  |  |  | 4 months 24 days |  |
Summary of restricted stock activity |  |  |  |  |  |  |  |  |
Nonvested balance at the beginning of the period (in shares) |  |  |  |  |  |  |  |  | 94,137
Granted (in shares) |  |  |  |  |  |  |  |  | 12,000
Vested (in shares) |  |  |  |  |  |  |  |  | (55,944)
Nonvested balance at the end of the period (in shares) |  |  |  |  |  |  |  |  | 50,193
Weighted Average Grant-Date Fair Value |  |  |  |  |  |  |  |  |
Nonvested balance at the beginning of the period (in dollars per share) |  |  |  |  |  |  |  |  | $ 5.56
Granted (in dollars per share) |  |  |  |  |  |  |  |  | $ 4.35
Vested (in dollars per share) |  |  |  |  |  |  |  |  | $ 4.77
Nonvested balance at the end of the period (in dollars per share) |  |  |  |  |  |  |  |  | $ 5.73

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