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Significant Accounting Policies (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2012 | Jul. 02, 2011 | Jun. 30, 2012 | Jul. 02, 2011 | Dec. 31, 2011
Trade receivables |  |  |  |  |
Minimum outstanding period of trade receivable balance (in days) |  |  | 90 days |  |
Allowance for doubtful accounts | $ 33 |  | $ 33 |  | $ 18
Inventories |  |  |  |  |
Appliances held for resale | 20,657 |  | 20,657 |  | 18,291
Processed metals from recycled appliances held for resale | 538 |  | 538 |  | 250
Less provision for inventory obsolescence | (83) |  | (83) |  | (85)
Inventory net | 21,112 |  | 21,112 |  | 18,456
Property and equipment |  |  |  |  |
Property plant and equipment, gross | 24,580 |  | 24,580 |  | 23,950
Less accumulated depreciation and amortization | (11,966) |  | (11,966) |  | (11,415)
Property plant and equipment, net | 12,614 |  | 12,614 |  | 12,535
Changes in warranty accrual |  |  |  |  |
Beginning Balance | 66 | 37 | 71 | 36 |
Standard accrual based on units sold | 12 | 36 | 24 | 51 |
Actual costs incurred | (4) | (4) | (8) | (8) |
Periodic accrual adjustments | (13) | (10) | (26) | (20) |
Ending Balance | 61 | 59 | 61 | 59 |
Share-based compensation |  |  |  |  |
Estimated forfeiture rate, minimum (as a percent) |  |  | 0.00% |  |
Estimated forfeiture rate, maximum (as a percent) |  |  | 5.00% |  |
Expected dividend yield (as a percent) |  |  | 0.00% |  |
Share-based compensation expense recognized | 32 | 114 | 68 | 213 |
Estimated remaining expense for fiscal 2012 | 80 |  | 80 |  |
Land |  |  |  |  |
Property and equipment |  |  |  |  |
Property plant and equipment, gross | 1,140 |  | 1,140 |  | 1,140
Buildings and improvements |  |  |  |  |
Property and equipment |  |  |  |  |
Property plant and equipment, gross | 3,393 |  | 3,393 |  | 3,303
Equipment (including computer software) |  |  |  |  |
Property and equipment |  |  |  |  |
Property plant and equipment, gross | 19,951 |  | 19,951 |  | 19,472
Projects under construction |  |  |  |  |
Property and equipment |  |  |  |  |
Property plant and equipment, gross | 96 |  | 96 |  | 35
Software development costs |  |  |  |  |
Property and equipment |  |  |  |  |
Costs capitalized | $ 36 | $ 47 | $ 85 | $ 76 |
Software development costs | Minimum |  |  |  |  |
Property and equipment |  |  |  |  |
Estimated useful life (in years) |  |  | 3 years |  |
Software development costs | Maximum |  |  |  |  |
Property and equipment |  |  |  |  |
Estimated useful life (in years) |  |  | 5 years |  |

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