Note 8 - Business Combinations (Details) (USD $)	12 Months Ended	0 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	0 Months Ended	3 Months Ended	0 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	0 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	0 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended		12 Months Ended
	Aug. 31, 2013	Sep. 02, 2013 Data Content [Member] Revere Data, LLC [Member]	Aug. 31, 2014 Data Content [Member] Revere Data, LLC [Member]	May 31, 2014 Data Content [Member] Matrix Data Limited [Member]	Aug. 31, 2014 Data Content [Member] Matrix Data Limited [Member]	Sep. 02, 2013 Customer Relationships [Member] Revere Data, LLC [Member]	May 31, 2014 Customer Relationships [Member] Matrix Data Limited [Member]	Sep. 02, 2013 Noncompete Agreements [Member] Revere Data, LLC [Member]	Aug. 31, 2014 Noncompete Agreements [Member] Revere Data, LLC [Member]	May 31, 2014 Noncompete Agreements [Member] Matrix Data Limited [Member]	Aug. 31, 2014 Noncompete Agreements [Member] Matrix Data Limited [Member]	Sep. 02, 2013 Trade Names [Member] Revere Data, LLC [Member]	Aug. 31, 2014 Trade Names [Member] Revere Data, LLC [Member]	May 31, 2014 Trade Names [Member] Matrix Data Limited [Member]	Aug. 31, 2014 Trade Names [Member] Matrix Data Limited [Member]	May 31, 2014 Software Technology [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]
Note 8 - Business Combinations (Details) [Line Items]
Business Combination, Consideration Transferred (in Dollars)																		$ 15,300,000			$ 31,800,000
Business Acquisition, Revenue Reported by Acquired Entity for Last Annual Period (in Dollars)																		5,000,000
Finite-lived Intangible Assets Acquired (in Dollars)	0		2,799,000		3,408,000				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
Finite-Lived Intangible Asset, Useful Life		5 years		4 years		7 years	8 years	2 years		3 years		4 years		4 years		5 years
Business Acquisition, Purchase Price Allocation, Goodwill Amount (in Dollars)																		11,600,000			25,500,000
Subscription and Circulation Revenue (in Dollars)																					$ 7,000,000