Note 2 - Significant Accounting Policies (Detail) - Option Activity (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Amount of Options	832,763	792,763
Weighted Average Exercise Price (in Dollars per share)	$ 1.30	$ 1.33
Weighted Average Remaining Contractual Term	6 years 29 days	6 years 321 days
Aggregate Intrinsic Value (in Dollars)	$ 1	$ 411
Exercisable options at the end of the year	550,513
Exercisable options at the end of the year (in Dollars per share)	$ 1.23
Exercisable options at the end of the year	4 years 324 days
Granted	40,000
Granted (in Dollars per share)	$ 0.68