Intangibles (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Future Amortization Expense, Year One	$ 1,008
Future Amortization Expense, Year Two	967
Future Amortization Expense, Year Three	861
Future Amortization Expense, Year Four	703
Future Amortization Expense, Year Five	613
Accumulated Amortization	3,904	$ 6,349
Intangible Assets Gross	13,840	16,390
Trade Secrets [Member]
Accumulated Amortization	1,405	1,086
Intangible Assets Gross	3,390	3,065
Patents [Member]
Accumulated Amortization	1,809	4,677
Intangible Assets Gross	5,043	7,869
Noncompete Agreements [Member]
Accumulated Amortization	690	586
Intangible Assets Gross	839	894
Trade name infinite lived [Member]
Accumulated Amortization	0	0
Intangible Assets Gross	$ 4,568	$ 4,562
Minimum [Member] | Trade Secrets [Member]
Finite-Lived Intangible Asset, Useful Life	2 years
Minimum [Member] | Patents [Member]
Finite-Lived Intangible Asset, Useful Life	4 years
Minimum [Member] | Noncompete Agreements [Member]
Finite-Lived Intangible Asset, Useful Life	3 years
Maximum [Member] | Trade Secrets [Member]
Finite-Lived Intangible Asset, Useful Life	20 years
Maximum [Member] | Patents [Member]
Finite-Lived Intangible Asset, Useful Life	10 years
Maximum [Member] | Noncompete Agreements [Member]
Finite-Lived Intangible Asset, Useful Life	5 years