Note 14 - Options Outstanding (Details)	12 Months Ended
	Dec. 31, 2015 $ / shares shares
Exercise Price Range 1 [Member]
Options Outstanding (in shares) | shares	44.8
Exercise Prices, lower (in dollars per share)
Exercise Prices, upper (in dollars per share)	$ 47.12
Weighted Average Exercise Price (in dollars per share)	$ 0.60
Exercise Price Range 2 [Member]
Options Outstanding (in shares) | shares
Weighted Average Exercise Price (in dollars per share)
Options Outstanding (in shares) | shares
Weighted Average Exercise Price (in dollars per share)	$ 0.90