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Inventories (Details) - USD ($) | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Schedule of inventories |  |
Raw materials, Gross | $ 7,046,512 | $ 6,142,748
Finished goods | 2,158,908 | 996,851
Totals | 9,205,420 | 7,139,599
Recycled paper board [Member] |  |
Schedule of inventories |  |
Raw materials, Gross | 4,416,252 | 4,338,069
Recycled white scrap paper [Member] |  |
Schedule of inventories |  |
Raw materials, Gross | 1,880,323 | 1,212,588
Coal [Member] |  |
Schedule of inventories |  |
Raw materials, Gross | 453,665 | 497,038
Base paper and other raw materials [Member] |  |
Schedule of inventories |  |
Raw materials, Gross | $ 296,272 | $ 95,053

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