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Note 9 - Segment Information (Details Textual)
3 Months Ended
Sep. 30, 2015
USD ($)
FRANCE  
Long-Lived Assets $ 4,359,000
CANADA | Sales Revenue, Net [Member] | Geographic Concentration Risk [Member]  
Concentration Risk, Percentage 10.60%
CANADA  
Long-Lived Assets $ 18,690,000