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3. Inventories | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2015 | Dec. 31, 2014
Notes to Financial Statements |  |
Inventories |
Inventories consist of: |  | September 30, 2015 |  |  | December 31, 2014 |
Materials |  | $ | 468,578 |  |  | $ | 332,804 |
Work in process |  |  | 22,383 |  |  |  | –– |
Finished goods (including $142,600 and $85,600 held by customers at September 30, 2015 and December 31, 2014, respectively) |  |  | 896,848 |  |  |  | 1,391,703 |
Total |  | $ | 1,387,809 |  |  | $ | 1,724,507 |
The Company reviews inventory for obsolete and slow moving products each quarter and makes provisions based on our estimate of the probability that the material will not be consumed or that it will be sold below cost. The allowance for slow moving and obsolete inventory was $249,130 and $279,388 at September 30, 2015 and December 31, 2014, respectively. | Inventories, net of reserves, consist of the following at December 31:
|  | 2013 |  |  | 2014 |
Materials |  | $ | 440,723 |  |  | $ | 332,804 |
Finished goods (including $304,500 and $85,600 held by customers at December 31, 2013 and 2014, respectively) |  |  | 1,273,358 |  |  |  | 1,391,703 |
Total |  | $ | 1,714,081 |  |  | $ | 1,724,507 |
The Company reviews inventory for obsolete and slow moving products each quarter and makes provisions based on our estimate of the probability that the material will not be consumed or that it will be sold below cost. The reserve for the provision for slow moving and obsolete inventory was $360,624 and $279,388 at December 31, 2013 and 2014, respectively.

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- Definition The entire disclosure for inventory. This may include, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the major classes of inventory, and the nature of the cost elements included in inventory. If inventory is stated above cost, accrued net losses on firm purchase commitments for inventory and losses resulting from valuing inventory at the lower-of-cost-or-market may also be included. For LIFO inventory, may disclose the amount and basis for determining the excess of replacement or current cost over stated LIFO value and the effects of a LIFO quantities liquidation that impacts net income. + 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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 6 -Subparagraph a, b, c -Article 5 + Details
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