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Inventories (Details) (USD $) | Jun. 30, 2014 | Dec. 31, 2013 | Jun. 30, 2013
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Inventory Disclosure [Abstract] |  |  |
Finished goods | $ 3,005,972 | $ 3,027,900 | $ 2,977,298
Production supplies | 2,323,139 | 2,690,097 | 3,321,484
Raw materials | 1,481,430 | 1,181,011 | 1,508,368
Total inventories | $ 6,810,541 | $ 6,899,008 | $ 7,807,150

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- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 6 -Subparagraph a -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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