Note 10 - Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of options issued, exercised and cancelled

A summary of options issued, exercised and cancelled are as follows:

	Shares		Weighted- Average Exercise Price ($)		Weighted- Average Remaining Contractual Term		Aggregate Intrinsic Value ($)
Outstanding at December 31, 2015		67,879	$	21.40		7.17		—
Granted		1,000,000		1.75		5.00		—
Cancelled		—		—		—		—
Outstanding at June 30, 2016		1,067,879	$	3.00		5.22		—
Exercisable at June 30, 2016		354,911	$	4.99		4.95		—