Note 10 - Related Party Transactions (Details)		1 Months Ended	6 Months Ended
	Oct. 04, 2007 shares	Sep. 23, 2014 shares	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)
Note 10 - Related Party Transactions (Details) [Line Items]
Stock Issued During Period, Shares, New Issues		11,305,567
Stellartech Research Corporation [Member]
Note 10 - Related Party Transactions (Details) [Line Items]
Stock Issued During Period, Shares, New Issues	300,000
Conversion of Stock, Exchange Ratio	0.0080497
Related Party Transaction, Amounts of Transaction | $			$ 1,211,000	$ 163,000
Stellartech Research Corporation [Member] | Based on Post-merger Exchange Ratio [Member]
Note 10 - Related Party Transactions (Details) [Line Items]
Stock Issued During Period, Shares, New Issues	2,415