Note 10 - Intangible Assets (Details) - Intangible Assets Acquired (USD $)	12 Months Ended											0 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended		12 Months Ended
	Aug. 31, 2014	Aug. 31, 2013	Aug. 31, 2014 Data Content [Member] Revere Data, LLC [Member]	Aug. 31, 2014 Data Content [Member] Matrix Data Limited [Member]	Aug. 31, 2014 Client Relationships [Member] Revere Data, LLC [Member]	Aug. 31, 2014 Client Relationships [Member] Matrix Data Limited [Member]	Aug. 31, 2014 Noncompete Agreements [Member] Revere Data, LLC [Member]	Aug. 31, 2014 Noncompete Agreements [Member] Matrix Data Limited [Member]	Aug. 31, 2014 Trade Names [Member] Revere Data, LLC [Member]	Aug. 31, 2014 Trade Names [Member] Matrix Data Limited [Member]	Aug. 31, 2014 Software Technology [Member] Matrix Data Limited [Member]	Sep. 02, 2013 Revere Data, LLC [Member]	Nov. 30, 2013 Revere Data, LLC [Member]	Aug. 31, 2014 Revere Data, LLC [Member]	May 31, 2014 Matrix Data Limited [Member]	Feb. 28, 2014 Matrix Data Limited [Member]	Aug. 31, 2014 Matrix Data Limited [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization Period	11 years 36 days		5 years	4 years	7 years	7 years 328 days	2 years	3 years	4 years	3 years 292 days	4 years 292 days		5 years 73 days	5 years 73 days		5 years 146 days	5 years 146 days
Acquisition Cost		$ 0	$ 2,799,000	$ 3,408,000	$ 827,000	$ 2,816,000	$ 162,000	$ 147,000	$ 293,000	$ 670,000	$ 1,708,000	$ 4,100,000	$ 4,100,000	$ 4,081,000	$ 8,700,000	$ 8,700,000	$ 8,749,000