Note 13 - Commitments and Contingencies (Details) - Summary of Outstanding Contingent Stock Bonuses - $ / shares	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Note 13 - Commitments and Contingencies (Details) - Summary of Outstanding Contingent Stock Bonuses [Line Items]
Number of shares	4,413,870	4,258,870	5,261,145
Stock Bonus [Member] | Stock Bonus Payable Upon Stock Price of $5.00 per Share [Member]
Note 13 - Commitments and Contingencies (Details) - Summary of Outstanding Contingent Stock Bonuses [Line Items]
Target Price per share	$ 5.00
Number of shares	50,000
Stock Bonus [Member] | Stock Bonus Payable Upon Stock Price of $10.00 per Share [Member]
Note 13 - Commitments and Contingencies (Details) - Summary of Outstanding Contingent Stock Bonuses [Line Items]
Target Price per share	$ 10.00
Number of shares	40,000
Stock Bonus [Member] | Stock Bonus Payable Upon Stock Price of $20.00 per Share [Member]
Note 13 - Commitments and Contingencies (Details) - Summary of Outstanding Contingent Stock Bonuses [Line Items]
Target Price per share	$ 20.00
Number of shares	27,500