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Note 4 - Inventories (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule of Inventory, Current [Table Text Block] |
|  | 2012 |  |  | 2011 |
Raw materials |  | $ | 1,441,370 |  |  | $ | 1,686,880 |
Work-in-process * |  |  | 304,916 |  |  |  | 507,943 |
Finished goods |  |  | 996,619 |  |  |  | 37,250 |
Totals |  |  | 2,742,905 |  |  |  | 2,232,073 |

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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
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