Note 13 - Changes to the Current Estimate of the Vesting Percentage and Related Expense (Details) - Performance Shares [Member]	6 Months Ended
	Feb. 29, 2016 USD ($)
Street Account [Member] | Share-based Compensation Award, Tranche One [Member]
Cumulative Catch-up Adjustment	$ (1,135,000)	[1]
Remaining Expense to be Recognized	$ 192,000
Street Account [Member] | Share-based Compensation Award, Tranche Two [Member]
Cumulative Catch-up Adjustment		[1]
Remaining Expense to be Recognized	$ 657,000
Code Red, Inc. [Member] | Share-based Compensation Award, Tranche One [Member]
Cumulative Catch-up Adjustment	(638,000)	[1]
Remaining Expense to be Recognized	0
Code Red, Inc. [Member] | Share-based Compensation Award, Tranche Two [Member]
Cumulative Catch-up Adjustment	(478,000)	[1]
Remaining Expense to be Recognized	$ 441,000
Code Red, Inc. [Member] | Share-based Compensation Award, Tranche Three [Member]
Cumulative Catch-up Adjustment		[1]
Remaining Expense to be Recognized	$ 1,764,000
Code Red, Inc. [Member] | Share-based Compensation Award, Tranche Four [Member]
Cumulative Catch-up Adjustment	478,000	[1]
Remaining Expense to be Recognized	3,087,000
Code Red, Inc. [Member] | Share-based Compensation Award, Tranche Five [Member]
Cumulative Catch-up Adjustment	956,000	[1]
Remaining Expense to be Recognized	4,410,000
Portware LLC [Member] | Share-based Compensation Award, Tranche One [Member]
Cumulative Catch-up Adjustment	0	[1]
Remaining Expense to be Recognized	0
Portware LLC [Member] | Share-based Compensation Award, Tranche Two [Member]
Cumulative Catch-up Adjustment	613,000	[1]
Remaining Expense to be Recognized	11,331,000
Portware LLC [Member] | Share-based Compensation Award, Tranche Three [Member]
Cumulative Catch-up Adjustment	858,000	[1]
Remaining Expense to be Recognized	15,864,000
Portware LLC [Member] | Share-based Compensation Award, Tranche Four [Member]
Cumulative Catch-up Adjustment	1,226,000	[1]
Remaining Expense to be Recognized	$ 22,662,000

[1] Amounts represent the cumulative catch-up adjustment to be recorded if there was a change in the vesting percentage as of November 30, 2015.