Operating Segments and Related Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Segment information
Revenues	$ 51,658	$ 50,704	$ 103,307	$ 101,422
Net earnings	1,002	710	1,294	1,082
Income tax expense	584	784	1,081	1,905
Interest expense, net	529	478	1,033	825
EBIT	2,115	1,972	3,408	3,812
Depreciation of property and equipment	1,579	1,214	3,092	2,395
Amortization of intangible assets	1,459	1,129	3,786	2,250
EBITDA	5,153	4,315	10,286	8,457
Foreign currency transaction (gains) losses on short-term intercompany balances	497	(431)	158	(879)
Acquisition obligations classified as compensation	94	131	195	228
Transformation severance and related expenses	276	270	518	1,097
Costs for overtime pay claim	328		577
Stock-based compensation	1,239	1,301	2,640	2,202
Adjusted EBITDA	7,587	5,586	14,374	11,105
Recovery Audit Services - Americas [Member]
Segment information
Revenues	29,592	27,901	58,405	57,014
EBIT	6,469	6,326	12,030	12,082
Depreciation of property and equipment	990	769	1,905	1,543
Amortization of intangible assets	767	571	2,353	1,144
EBITDA	8,226	7,666	16,288	14,769
Foreign currency transaction (gains) losses on short-term intercompany balances	71	(14)	8	(23)
Transformation severance and related expenses	23	270	113	937
Costs for overtime pay claim	328		577
Adjusted EBITDA	8,648	7,922	16,986	15,683
Recovery Audit Services - Europe/Asia- Pacific [Member]
Segment information
Revenues	13,411	15,753	27,716	30,505
EBIT	1,554	2,268	3,211	4,285
Depreciation of property and equipment	87	95	127	183
Amortization of intangible assets	490	340	1,029	672
EBITDA	2,131	2,703	4,367	5,140
Foreign currency transaction (gains) losses on short-term intercompany balances	406	(416)	149	(854)
Transformation severance and related expenses	21		78	160
Adjusted EBITDA	2,558	2,287	4,594	4,446
New Services [Member]
Segment information
Revenues	8,655	7,050	17,186	13,903
EBIT	(821)	(1,713)	(1,619)	(2,983)
Depreciation of property and equipment	502	350	1,060	669
Amortization of intangible assets	202	218	404	434
EBITDA	(117)	(1,145)	(155)	(1,880)
Foreign currency transaction (gains) losses on short-term intercompany balances	20	(1)	1	(2)
Acquisition obligations classified as compensation	94	131	195	228
Transformation severance and related expenses	232		327
Adjusted EBITDA	229	(1,015)	368	(1,654)
Corporate Support [Member]
Segment information
EBIT	(5,087)	(4,909)	(10,214)	(9,572)
EBITDA	(5,087)	(4,909)	(10,214)	(9,572)
Stock-based compensation	1,239	1,301	2,640	2,202
Adjusted EBITDA	$ (3,848)	$ (3,608)	$ (7,574)	$ (7,370)