Note 13 - Segment and Geographical Information (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

Revenue from External Customers by Products and Services [Table Text Block]

Revenues :	For the three months ended March 31 ,
	2015		2016
IME and other related services (1)	$	167,345	$	182,997
Peer and bill reviews, Medicare compliance, case management, medical record retrieval and document management services (1)		28,971		43,506
Total revenues	$	196,316	$	226,503

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

	United						United
	States			Canada			Kingdom			Australia			Total
Three months ended March 31, 2015
Revenues	$	121,718		$	7,949		$	47,444		$	19,205		$	196,316
Segment profit		19,522			634			7,699			4,097			31,952
Depreciation and amortization expense		9,411			582			2,383			2,472			14,848
Capital expenditures		(1,670	)		(114	)		(189	)		(256	)		(2,229	)
Total assets (3)		598,165			22,343			236,186			83,228			939,922
Long-lived assets (2)(3)		471,040			15,613			92,703			68,227			647,583
Three months ended March 31, 2016
Revenues	$	149,440		$	9,454		$	47,933		$	19,676		$	226,503
Segment profit		22,905			968			9,779			3,832			37,484
Depreciation and amortization expense		10,752			56			3,539			2,289			16,636
Capital expenditures		(1,178	)		(27	)		(178	)		(1,354	)		(2,737	)
Total assets (3)		702,747			29,341			295,222			86,450			1,113,760
Long-lived assets (2)(3)		570,681			17,515			133,337			63,192			784,725

Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]

	For the three months ended March 3 1 ,
	2015			2016
Segment Profit	$	31,952		$	37,484
Depreciation and amortization		(14,848	)		(16,636	)
Share-based compensation expense		(6,136	)		(5,419	)
Acquisition related transaction costs		(559	)		(1,058	)
Other income (expenses)		731			(969	)
Income from operations	$	11,140		$	13,402