|
Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
|
Sep. 30, 2014
|
Sep. 30, 2013
|
Sep. 30, 2014
|
Sep. 30, 2013
|
Dec. 31, 2013
|
|
| Intangible assets | |||||
| Net amount | $ 742 | $ 742 | $ 853 | ||
|
Product formulations
|
|||||
| Intangible assets | |||||
| Gross carrying amount | 1,763 | 1,763 | 1,763 | ||
| Accumulated amortization | 1,021 | 1,021 | 910 | ||
| Net amount | 742 | 742 | 853 | ||
| Amortization expense for intangible assets | $ 37 | $ 37 | $ 111 | $ 111 | |
|
Product formulations | Minimum
|
|||||
| Intangible assets | |||||
| Estimated useful lives | 9 years | ||||
|
Product formulations | Maximum
|
|||||
| Intangible assets | |||||
| Estimated useful lives | 15 years | ||||