Note 12 - Stock Plans (Details) - Grants Made in Accordance with the Terms of the Executive Team Incentive Plan (USD $)			1 Months Ended
	Jan. 31, 2013	Sep. 30, 2008	Nov. 30, 2012 Executive Team Incentive Plan [Member]		Aug. 31, 2012 Executive Team Incentive Plan [Member]		May 31, 2012 Executive Team Incentive Plan [Member]		Feb. 29, 2012 Executive Team Incentive Plan [Member]		Nov. 30, 2011 Executive Team Incentive Plan [Member]		Aug. 31, 2011 Executive Team Incentive Plan [Member]		May 31, 2011 Executive Team Incentive Plan [Member]		Feb. 28, 2011 Executive Team Incentive Plan [Member]
2013
Restricted Shares				[1]		[1]		[1]		[1]	743	[1]	512	[1]	310	[1]	240	[1]
Number of Shares Under Options				[1]		[1]		[1]		[1]	2,655	[1]	1,240	[1]	623	[1]	481	[1]
Grant Price (in Dollars per share)	$ 4.98	$ 12.13		[2]		[2]		[2]		[2]	$ 2.88	[2]	$ 4.18	[2]	$ 6.91	[2]	$ 8.94	[2]

[1] Net of forfeited shares.

[2] The shares were valued at the closing price of the Company's common stock on the dates of awards.