Note 4 - Property, Equipment and Leasehold Improvements (Tables)

9 Months Ended

Sep. 30, 2014

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

	Estimated useful lives		December 31,		September 30,
	(years)		2013		2014
Land and buildings		15	$	600	$	2,056
Computer and office equipment		3		19,551		18,295
Furniture and fixtures		3 to 5		3,364		3,616
Leasehold improvements		Lease term		3,251		4,047
				26,766		28,014
Less accumulated depreciation and amortization				15,816		13,486
Totals			$	10,950	$	14,528