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Acquisitions - Schedule of Pro-Forma Information (Details) - American Stainless Tubing, Inc.	3 Months Ended
	Mar. 31, 2018 USD ($) $ / shares
Business Acquisition [Line Items]
Pro-forma net sales | $	$ 67,006,777
Pro-forma net (loss) income | $	$ 3,208,122
(Loss) earnings per share:
Basic (in dollars per share) | $ / shares	$ 0.37
Diluted (in dollars per share) | $ / shares	$ 0.37

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