Note 4 - Accounting for Stock-based Compensation (Details) - Option Activity (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended
	Jun. 30, 2014		Jan. 01, 2014		Jun. 30, 2014
Option Activity [Abstract]
Amount of options	1,287,763		712,763
Weighted average exercise price	$ 1.57		$ 1.33
Weighted-average remaining contractual term	8 years 58 days		5 years 138 days
Aggregate intrinsic value	$ 30	[1]		[1]
Exercisable options at the end of the period					397,263
Exercisable options at the end of the period					$ 1.44
Exercisable options at the end of the period	5 years 200 days
Exercisable options at the end of the period					$ 19	[1]
Weighted-average remaining contractual term	8 years 58 days		5 years 138 days

[1] Calculation of aggregate intrinsic value is based on the share price of the Company's common stock as of June 30, 2014 ($ 1.16 per share).