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Wind Down and Exit Costs (Tables) | 12 Months Ended
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Dec. 31, 2012
Wind-down and exit costs [Abstract] |
Components of wind-down reserve | The components of our wind-down reserve at December 31 are as follows:
|  | 2012 |  |  | 2011 |
Accrued wind-down reserve at beginning of period |  | $ | 1,683,000 |  |  | $ | 2,644,000 |
Less actual expenses recorded against estimated reserve during the period |  |  | (1,185,000 | ) |  |  | (1,248,000 | )
Additional expense recorded to revise estimated reserve at period-end |  |  | 356,000 |  |  |  | 287,000 |
Revised reserve at period-end |  |  | 854,000 |  |  |  | 1,683,000 |
Add deferred rent at period end |  |  | 249,000 |  |  |  | 452,000 |
Total accrued wind-down expenses at period-end (current and non current) |  | $ | 1,103,000 |  |  | $ | 2,135,000 |
Accrued wind-down expenses, current portion |  | $ | 1,103,000 |  |  | $ | 1,361,000 |
Non current portion |  |  | — |  |  |  | 774,000 |
Total accrued wind-down expenses |  | $ | 1,103,000 |  |  | $ | 2,135,000 |

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