Acquisition - Schedule of Unaudited Pro Forma Financial Information (Details) - Environmental Integrated Solutions [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Business Acquisition [Line Items]
Net Sales	$ 78,256	$ 86,086	$ 165,502	$ 175,298
Net Income	$ 4,341	$ 6,014	$ 8,621	$ 8,150
Earnings per share:
Basic	$ 0.12	$ 0.17	$ 0.24	$ 0.23
Diluted	$ 0.12	$ 0.17	$ 0.24	$ 0.23