Note 5 - Income Taxes - Symon (Details) - Income Tax Rate Reconciliation - Symon (USD $)
12 Months Ended 13 Months Ended
Jan. 31, 2013
Jan. 31, 2012
Jan. 31, 2011
Jan. 31, 2012
Jan. 31, 2011
Income Tax Rate Reconciliation - Symon [Abstract]          
Computed expected tax expense $ 1,819,422 $ 1,985,659 $ 896,407    
Non deductible expenses 144,978 16,656 48,928    
Release of beginning of year valuation allowance     (73,312)    
Utilization of net operating loss carryforwards (1,787) (22,040) (73,426)    
International tax rate differences (156,296) (171,186) (40,407)    
State tax expense, net of federal benefit 116,215 99,241 66,359    
Other (62,342) 5,551 46,512    
Total $ 1,860,190 $ 1,913,881 $ 871,061 $ 1,913,881 $ 871,061