Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Amount	$ 4,280	$ 4,090
Accumulated Amortization	(3,104)	(2,893)
Net Amount	1,176	1,197
Product Formulations [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	138	138
Accumulated Amortization	(102)	(95)
Net Amount	36	43
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	750	750
Accumulated Amortization	(407)	(369)
Net Amount	343	381
Approvals and Certifications [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	3,392	3,202
Accumulated Amortization	(2,595)	(2,429)
Net Amount	$ 797	$ 773