Note 4 - Property, Equipment and Leasehold Improvements (Details) - Property, Equipment and Leasehold Improvements (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	$ 21,827	$ 26,766
Less accumulated depreciation and amortization	10,589	15,816
Totals	11,238	10,950
Building [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	15 years
Property, plant, and equipment	600	600
Computer and Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years
Property, plant, and equipment	14,874	19,551
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	3,015	3,364
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
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Leasehold improvements	Lease term
Leasehold improvements	$ 3,338	$ 3,251