Note 13 - Segment and Geographical Information (Details) - Revenues by Product Group (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Revenue from External Customer [Line Items]
Revenue	$ 616,016		$ 521,237		$ 397,860
IME and Other Related Services [Member]
Revenue from External Customer [Line Items]
Revenue	567,070	[1]	476,847	[1]	356,392	[1]
Peer and Bill Reviews [Member]
Revenue from External Customer [Line Items]
Revenue	$ 48,946	[1]	$ 44,390	[1]	$ 41,468	[1]

[1] Includes the results of certain of the Company's service centers acquired whose revenues are generated substantially through the indicated product group. Outside of this presentation, other product groups are not tracked within the Company's financial systems. Additionally, other related services, which include any Medicare compliance services completed in the periods presented, are not separately captured within the Company's financial systems and have been included with IME services in the above presentation as separate presentation is not practicable.