Note 3 - Preliminary Purchase Price Allocation (Details)	Sep. 30, 2015 USD ($)
Olson [Member] | Customer-Related Intangible Assets [Member]
Intangibles	$ 60,338,000
Olson [Member] | Marketing-Related Intangible Assets [Member]
Intangibles	3,947,000
Olson [Member] | Developed Technology Rights [Member]
Intangibles	578,000
Olson [Member]
Cash	8,816,000
Contract receivables	36,879,000
Other current and non-current assets	1,512,000
Property and equipment	8,571,000
Goodwill	230,936,000
Total Assets	351,577,000
Accounts payable	9,792,000
Accrued expenses and other liabilities	7,126,000
Accrued salaries and benefits	5,378,000
Deferred revenue	9,742,000
Deferred taxes and income tax payable	21,331,000
Total Liabilities	53,369,000
Net Assets	298,208,000
Goodwill	$ 690,576,000