Note 4 - Accounting for Stock-Based Compensation (Details) - Stock Option Plan Activity (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended		6 Months Ended
	Dec. 31, 2012		Jun. 30, 2013
Stock Option Plan Activity [Abstract]
Amount of Options	832,763
Weighted Average Exercise Price (in Dollars per share)	$ 1.30
Weighted Average Remaining Contractual Term (Years)	6 years 29 days		5 years 211 days
Aggregate Intrinsic Value (in Dollars)	$ 1	[1]
Exercisable options at the end of the period			584,013
Exercisable options at the end of the period (in Dollars per share)			$ 1.25
Exercisable options at the end of the period			4 years 211 days
Exercisable options at the end of the period (in Dollars)				[1]
Amount of Options			832,763
Weighted Average Exercise Price (in Dollars per share)			$ 1.30
Weighted Average Remaining Contractual Term (Years)	6 years 29 days		5 years 211 days
Aggregate Intrinsic Value (in Dollars)				[1]

[1] Calculation of aggregate intrinsic value is based on the share price of the Company's common stock as of June 30, 2013 ($0.61 per share).