|
Note 11 - Goodwill and Other Intangible Assets (Details) (USD $)
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12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2013
Trade Names [Member]
|
Dec. 31, 2012
Trade Names [Member]
|
Dec. 31, 2013
Trade Secrets [Member]
InCon [Member]
|
Dec. 31, 2013
Trade Secrets [Member]
Maximum [Member]
|
Dec. 31, 2013
Goodwill and Other Indefinite Lived Intangible Assets [Member]
Maximum [Member]
|
Dec. 31, 2013
InCon [Member]
|
Dec. 31, 2013
Wisconsin Specialty Protein [Member]
|
Feb. 27, 2013
Wisconsin Specialty Protein [Member]
|
|
| Note 11 - Goodwill and Other Intangible Assets (Details) [Line Items] | ||||||||||
| Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) | $ 266,000 | $ 129,000 | $ 300,000 | $ 100,000 | ||||||
| Indefinite-Lived Intangible Assets (Excluding Goodwill) | 2,615,000 | 1,753,000 | 1,000,000 | |||||||
| Percentage Of Which Fair Value Exceeded Carrying Value Of Intangible Assets | 5.00% | 20.00% | ||||||||
| Amount at which Carrying Value Exceeded Fair Value of Intangible Assets | 100,000 | |||||||||
| Goodwill | 19,600,000 | 7,986,000 | 936,000 | 11,614,000 | 11,614,000 | |||||
| Amortization of Intangible Assets | $ 600,000 | $ 300,000 | ||||||||