Note 5 - Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2017

	Nine Months Ended September 30 , 2017
	Number of Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (in years)	Aggregate Intrinsic Value
Outstanding at beginning of period		3,380,615		$	2.00
Granted		1,390,000			0.75
Exercised		—			—
Canceled and Forfeited		(756,601	)		1.64
Expired		—			—
Outstanding at end of period		4,014,014		$	1.63	6.6	$	2,650
Exercisable at end of period		2,519,780		$	2.11	4.9	$	2,650

	Nine Months Ended September 30 , 2017
	Number of Shares			Weighted Average Grant-Date Fair Value
Unvested at beginning of period		207,000		$	1.17
Granted		200,000			0.51
Vested		(207,000	)		1.17
Forfeited		—			—
Unvested at end of period		200,000		$	0.51