Note 9 - Stockholders' Equity (Details) - Allocation of Recognized Period Costs - Employee Stock Option [Member] - USD ($)	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
General and administrative:
Stock-based employee compensation expense	$ 15,320	$ 15,320
General and Administrative Expense [Member]
General and administrative:
Stock-based employee compensation expense	1,838
Research and Development Expense [Member]
General and administrative:
Stock-based employee compensation expense	$ 13,482