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Inventories | 12 Months Ended
--- | ---
Dec. 31, 2016
Inventory Disclosure [Abstract] |
Inventories | 3. Inventories
|  | December 31,
Inventories consisted of: |  | 2016 |  | 2015
Finished goods |  | $ | 33,971,922 |  |  | $ | 29,802,745 |
Work in process |  |  | 187,833 |  |  |  | 169,540 |
Materials and supplies |  |  | 3,078,106 |  |  |  | 5,535,306 |
|  | $ | 37,237,861 |  |  | $ | 35,507,591 |
Inventories are stated net of valuation allowances for slow moving and obsolete inventory of $677,253 as of December 31, 2016 and $698,592 as of December 31, 2015.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: 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) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 + Details
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