Note 4 - Property, Equipment and Leasehold Improvements (Details) - Property, Equipment and Leasehold Improvements (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	$ 28,014	$ 26,766
Less accumulated depreciation and amortization	13,486	15,816
Totals	14,528	10,950
Leasehold improvements	28,014	26,766
Land and Building [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	15 years
Property, plant, and equipment	2,056	600
Leasehold improvements	2,056	600
Computer and Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years
Property, plant, and equipment	18,295	19,551
Leasehold improvements	18,295	19,551
Furniture and Fixtures [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years
Furniture and Fixtures [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	5 years
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	3,616	3,364
Leasehold improvements	3,616	3,364
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	4,047	3,251
Leasehold improvements	Lease term
Leasehold improvements	$ 4,047	$ 3,251