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

3 Months Ended

Mar. 31, 2014

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

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

	Three months ended March 31, 2014
	Amount of options		Weighted average exercise price		Weighted average remaining contractual term (years)		Aggregate intrinsic value *)
Outstanding at the beginning of the period		712,763	$	1.33		5.38	$	-
Outstanding at the end of the period		700,763	$	1.33		5.17	$	252
Exercisable options at the end of the period		560,263	$	1.31		4.74	$	219