Subsequent Events	12 Months Ended
Dec. 31, 2013
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On January 6, 2014, we purchased two plots of land totaling 38 acres near our Tulsa, Oklahoma production facilities for a combined purchase price of approximately $0.8 million.

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.

No definition available.

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