Note 3 - Goodwill and Intangible Assets - Symon (Details) - Intangible Assets - Symon (USD $)
 9 Months Ended 12 Months Ended
Sep. 30, 2013
Jan. 31, 2013
Jan. 31, 2012
Jan. 31, 2011
Finite-Lived Intangible Assets [Line Items]        
Gross Carrying Amount $ 39,801,000 $ 12,085,224 $ 12,079,968 $ 12,091,776
Accumulated Amortization (2,651,329) (11,400,781) (10,815,966) (9,947,590)
Net Carrying Amount 37,149,671 684,443 1,264,002 2,144,186
Computer Software, Intangible Asset [Member]
        
Finite-Lived Intangible Assets [Line Items]        
Weighted Average Amortization Years 5 years 5 years 5 years 5 years
Gross Carrying Amount 9,607,000 6,430,000 6,430,000 6,430,000
Accumulated Amortization (860,148) (6,430,000) (6,408,510) (6,302,510)
Net Carrying Amount 8,746,852   21,490 127,490
Customer Relationships [Member]
        
Finite-Lived Intangible Assets [Line Items]        
Weighted Average Amortization Years 7 years 8 years 8 years 8 years
Gross Carrying Amount 17,276,000 4,921,204 4,916,569 4,926,983
Accumulated Amortization (1,012,788) (4,399,984) (3,912,070) (3,255,537)
Net Carrying Amount 16,263,212 521,220 1,004,499 1,671,446
Trade Names [Member]
        
Finite-Lived Intangible Assets [Line Items]        
Weighted Average Amortization Years   7 years 7 years 7 years
Gross Carrying Amount   463,068 462,776 463,432
Accumulated Amortization   (299,845) (246,998) (194,836)
Net Carrying Amount   163,223 215,778 268,596
Noncompete Agreements [Member]
        
Finite-Lived Intangible Assets [Line Items]        
Weighted Average Amortization Years 4 years 5 years 5 years 5 years
Gross Carrying Amount 1,600,000 270,952 270,623 271,361
Accumulated Amortization (187,808) (270,952) (248,388) (194,707)
Net Carrying Amount $ 1,412,192   $ 22,235 $ 76,654