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

3 Months Ended

Mar. 31, 2016

Notes Tables

Property, Plant and Equipment [Table Text Block]

	Estimated useful lives			December 31,		March 31 ,
	(years)			2015		2016
Building		15		$	3,669	$	3,701
Computer and office equipment		3			23,162		24,982
Furniture and fixtures	3	to	5		5,051		5,461
Leasehold improvements	Lease term				6,272		7,695
					38,154		41,839
Less accumulated depreciation and amortization					18,009		19,575
Totals				$	20,145	$	22,264