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Note 7 - Assets Available for Sale (Details Textual) - USD ($) |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 10, 2016 | Dec. 31, 2015 | Nov. 30, 2016 | Nov. 30, 2015
Gain (Loss) on Disposition of Property Plant Equipment |  |  | $ 17,395 | $ (123,405)
Proceeds from Sale of Property, Plant, and Equipment |  |  | 1,173,735 | 38,906
Asset Impairment Charges |  |  | 44,858 | $ 618,729
Ames, Iowa Production Facility [Member] |  |  |  |
Proceeds from Sale of Property, Plant, and Equipment, Gross | $ 1,192,000 |  |  |
Gain (Loss) on Disposition of Property Plant Equipment | 36,000 |  |  |
Proceeds from Sale of Property, Plant, and Equipment | $ 1,130,000 |  |  |
Monona, Iowa Storage Facility [Member] |  |  |  |
Gain (Loss) on Disposition of Property Plant Equipment |  | $ 8,046 |  |
Ames, Iowa Powder Coat Print System [Member] |  |  |  |
Asset Impairment Charges |  |  | $ 44,858 |

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- Definition Represents the gross amount of sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References No definition available. + Details
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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2420-110228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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