Note 8 - Goodwill and Other Intangibles (Detail) - Future Annual Amortization For Our Amortizable Intangible Assets (USD $)
In Thousands, unless otherwise specified
Nov. 30, 2012
Patented Technology [Member]
 
Remainder of fiscal year 2013 $ 272
2014 163
2015 90
2016 45
Total 570
Customer Relationships [Member]
 
Remainder of fiscal year 2013 314
2014 419
2015 419
2016 419
2017 419
Thereafter 210
Total $ 2,200