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Note 1 - Organization, Basis of Presentation, and Summary of Significant Accounting Policies (Details) (USD $)
3 Months Ended 24 Months Ended 3 Months Ended 37 Months Ended 3 Months Ended 0 Months Ended 0 Months Ended 0 Months Ended 0 Months Ended
Aug. 31, 2014
Aug. 31, 2014
Selling, General and Administrative Expenses [Member]
Bonus under Long-Term Incentive Plan [Member]
May 25, 2015
HA-based Biomaterials [Member]
Ophthalmic [Member]
Sales Revenue, Goods, Net [Member]
Product Concentration Risk [Member]
Aug. 31, 2014
HA-based Biomaterials [Member]
Orthopedic [Member]
Sales Revenue, Goods, Net [Member]
Product Concentration Risk [Member]
Aug. 31, 2014
HA-based Biomaterials [Member]
Aug. 28, 2016
Scenario, Forecast [Member]
Bonus under Long-Term Incentive Plan [Member]
Aug. 31, 2014
Customer Relationships [Member]
Minimum [Member]
Aug. 31, 2014
Customer Relationships [Member]
Maximum [Member]
Jul. 15, 2014
Preferred Stock [Member]
Windset [Member]
Apio, Inc [Member]
Feb. 15, 2011
Preferred Stock [Member]
Windset [Member]
Jul. 15, 2014
Preferred Stock [Member]
Windset [Member]
Feb. 15, 2011
Preferred Stock [Member]
Windset [Member]
Feb. 15, 2011
Common Stock [Member]
Windset [Member]
Apio, Inc [Member]
Jul. 15, 2014
Common Stock [Member]
Windset [Member]
Apio, Inc [Member]
Feb. 15, 2011
Common Stock [Member]
Windset [Member]
Apio, Inc [Member]
Feb. 15, 2011
Common Stock [Member]
Windset [Member]
Jul. 15, 2014
Common Stock [Member]
Windset [Member]
Feb. 15, 2011
Common Stock [Member]
Windset [Member]
Aug. 31, 2014
Cash and Cash Equivalents [Member]
May 25, 2014
Cash and Cash Equivalents [Member]
Aug. 31, 2014
Bonus under Long-Term Incentive Plan [Member]
May 25, 2014
Bonus under Long-Term Incentive Plan [Member]
Jul. 15, 2014
Windset [Member]
Apio, Inc [Member]
Aug. 31, 2014
Windset [Member]
Jul. 15, 2014
Windset [Member]
Aug. 31, 2014
Apio Cooling, LP [Member]
Apio, Inc [Member]
Note 1 - Organization, Basis of Presentation, and Summary of Significant Accounting Policies (Details) [Line Items]                                                    
Number of Proprietary Platforms 2                                                  
Money Market Funds, at Carrying Value                                     $ 1,500,000 $ 1,500,000            
Investment in Non-Public Company Shares (in Shares)                 15,857   15,857 150,000   68 201   68 201                
Payments to Acquire Investments 11,000,000                 15,000,000     201     201             11,000,000      
Finite-Lived Intangible Asset, Useful Life             12 years 13 years                                    
Officers' Compensation   (677,000)       2,000,000                                        
Accrued Bonuses                                         $ 0 $ 677,000        
Investment Ownership Percentage                                               26.90% 26.90% 60.00%
Number of Product Segments         3                                          
Concentration Risk, Percentage     60.00% 20.00%