14. Subsequent Events	6 Months Ended
Jun. 30, 2018
Subsequent Events [Abstract]
Subsequent Events	On July 31, 2018, the Company entered into a Member Interest and Share Capital Purchase Agreement (the “Agreement”) with Great Lakes Chemical Corporation and Lanxess Holding Company US Inc., as the sellers, and the Company as the buyer. The transaction is expected to close on August 31, 2018. Under the Agreement, the Company will acquire a subsidiary of the sellers which includes an antimony plant, equipment and land located in Reynosa, Mexico. The Company plans to disassemble, salvage and transport the antimony plant and equipment for use in its existing operations in both Mexico and the United States. The project will involve moving heavy equipment and could take up to a year.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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