Note 4 - Accounting for Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2015

Option Plans [Member]

Notes Tables

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

	Nine months ended September 30, 2015
	Amount of options		Weighted average exercise price		Weighted average remaining contractual term (years)		Aggregate intrinsic value (*) In thousends
Outstanding at the beginning of the period		1,262,763	$	1.57		7.65	$	40.57
Granted		135,000	$	0.68
Fortfeited		150,000	$	1.44
Outstanding at the end of the period		1,247,763	$	1.48		7.08	$	1
Exercisable options at the end of the period		656,513	$	1.52		5.61	$	-

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	Nine months ended						Three months ended
	September 30, 2015			September 30, 2014			September 30, 2015			September 30, 2014
Weighted Average fair value	$	0.43		$	1.14		$	0.43			-
Dividend yield		0	%		0	%		0	%		-
Expected volatility		71.6	%		77.6	%		71.6	%		-
Expected life (years)		6.25			6.25			6.25			-

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

	Nine months ended				Three months ended
	September 30, 2015		September 30, 2014		September 30, 2015		September 30, 2014
	Unaudited		Unaudited		Unaudited		Unaudited
Cost of goods sold		4		-		1		-
Sales and marketing expenses		8		10		2		5
Research and development		14		13		3		6
General and administrative		155		129		38		59
Total employees equity-based compensation expense		181		152		44		70