Note 10 - Acquisitions (Details) (USD $)		0 Months Ended			12 Months Ended	0 Months Ended
	May 10, 2012	May 10, 2012 Current and Future Cash Payments [Member] Universal Harvester [Member]	May 10, 2012 Common Stock [Member] Universal Harvester [Member]	May 10, 2012 Universal Harvester [Member]	May 31, 2013 Universal Harvester [Member]	May 10, 2012 Universal Harvester [Member] Cash [Member]	Jun. 25, 2013 Agro Trend [Member]
Note 10 - Acquisitions (Details) [Line Items]
Business Combination, Consideration Transferred				$ 3,066,000
Payments to Acquire Businesses, Gross		(3,030,450)	35,550			3,030,450	311,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares)					5,000
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned					35,550
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment							88,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory	947,760						223,000
Business Combination, Contingent Consideration, Liability							$ 600,000