Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Details)

v3.3.0.814
Intangible Assets (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Intangible assets          
Net amount $ 581   $ 581   $ 704
Product formulations          
Intangible assets          
Gross carrying amount 1,363   1,363   1,763
Accumulated amortization 782   782   1,059
Net amount 581   581   $ 704
Amortization expense for intangible assets $ 49 $ 37 $ 123 $ 111  
Product formulations | Minimum          
Intangible assets          
Estimated useful lives     9 years    
Product formulations | Maximum          
Intangible assets          
Estimated useful lives     15 years