|
Income Tax (Details 2) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Summary of net deferred tax liability | ||
| Deferred income tax asset (liability), Current | $ 5,789 | $ (1,408) |
| Deferred income tax asset (liability), Non-current | (16,945) | (15,833) |
|
Depreciation [Member]
|
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| Summary of net deferred tax liability | ||
| Deferred income tax asset (liability), Non-current | (16,945) | (15,833) |
|
Inventory [Member]
|
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| Summary of net deferred tax liability | ||
| Deferred income tax asset (liability), Current | 4,313 | (2,748) |
|
Allowance for doubtful accounts [Member]
|
||
| Summary of net deferred tax liability | ||
| Deferred income tax asset (liability), Current | 748 | 762 |
|
Uniform capitalization rules [Member]
|
||
| Summary of net deferred tax liability | ||
| Deferred income tax asset (liability), Current | 350 | 259 |
|
All other assets [Member]
|
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| Summary of net deferred tax liability | ||
| Deferred income tax asset (liability), Current | $ 378 | $ 319 |