Quarterly report pursuant to Section 13 or 15(d)

Significant Customers and Geographic Information (Details 1)

v2.4.0.6
Significant Customers and Geographic Information (Details 1) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jul. 31, 2012
Jul. 31, 2011
Jul. 31, 2012
Jul. 31, 2011
Revenue $ 36,738 $ 38,386 $ 73,364 $ 78,555
North America [Member]
       
Revenue 24,458 25,412 47,887 51,006
Revenue in percentage 66.00% 66.00% 65.00% 65.00%
Europe and Middle East [Member]
       
Revenue 9,194 10,573 19,484 22,374
Revenue in percentage 25.00% 28.00% 27.00% 28.00%
Latin America [Member]
       
Revenue 2,529 1,688 5,283 3,162
Revenue in percentage 7.00% 4.00% 7.00% 4.00%
Asia Pacific and Other International Locations [Member]
       
Revenue $ 557 $ 713 $ 710 $ 2,013
Revenue in percentage 2.00% 2.00% 1.00% 3.00%