Note 9 - Stock-Based Compensation and Other Employee Benefit Plans (Details) - Activity for our Stock Options (USD $)	9 Months Ended									9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Weighted Average Price Per Share [Member] 2007 Plan [Member]	Sep. 30, 2012 Weighted Average Price Per Share [Member] 2007 Plan [Member]	Sep. 30, 2013 2007 Plan [Member]	Sep. 30, 2012 2007 Plan [Member]	Sep. 30, 2012 2007 Plan [Member] Minimum [Member]	Sep. 30, 2013 2007 Plan [Member] Minimum [Member]	Dec. 31, 2012 2007 Plan [Member] Minimum [Member]	Sep. 30, 2012 2007 Plan [Member] Maximum [Member]	Sep. 30, 2013 2007 Plan [Member] Maximum [Member]	Dec. 31, 2012 2007 Plan [Member] Maximum [Member]
Note 9 - Stock-Based Compensation and Other Employee Benefit Plans (Details) - Activity for our Stock Options [Line Items]
Options Outstanding (in Shares)					8,521,086	7,739,258
Shares Available (in Shares)					4,460,742	4,260,742
Price per share			$ 0.44	$ 0.45			$ 0.25	$ 0.23	$ 0.23	$ 1.89	$ 1.89	$ 1.89
Options Outstanding (in Shares)	691,975				40,000	981,828
Shares Available (in Shares)	(691,975)				(40,000)	(981,828)
Price per share	$ 0.30	$ 0.30	$ 0.28	$ 0.35	$ 0.28		$ 0.34			$ 0.35
Options Outstanding (in Shares)					0	0
Shares Available (in Shares)					0	0
Price per share	$ 0	$ 0	$ 0	$ 0
Options Outstanding (in Shares)					0	0
Shares Available (in Shares)					0	0
Price per share			$ 0	$ 0
Options Outstanding (in Shares)					8,561,086	8,721,086
Shares Available (in Shares)					4,420,742	3,278,914
Price per share			$ 0.44	$ 0.45			$ 0.25	$ 0.23	$ 0.23	$ 1.89	$ 1.89	$ 1.89