Operating Segments and Related Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Segment information
Revenue	$ 50,205	$ 51,658	$ 95,306	$ 103,307
Net earnings	1,831	1,002	1,334	1,294
Income tax expense	586	584	642	1,081
Interest expense (income), net	53	529	(164)	1,033
EBIT	2,470	2,115	1,812	3,408
Depreciation of property and equipment	2,027	1,579	4,035	3,092
Amortization of intangible assets	1,332	1,459	2,608	3,786
EBITDA	5,829	5,153	8,455	10,286
Foreign currency transaction (gains) losses on short-term intercompany balances	225	497	582	158
Acquisition obligations classified as compensation	44	94	100	195
Transformation severance and related expenses	617	276	617	518
Wage claim costs		328		577
Stock-based compensation	1,155	1,239	2,473	2,640
Adjusted EBITDA	7,870	7,587	12,227	14,374
Recovery Audit Services - Americas [Member]
Segment information
Revenue	29,392	29,592	55,634	58,405
EBIT	6,771	6,469	12,225	12,030
Depreciation of property and equipment	1,356	990	2,724	1,905
Amortization of intangible assets	698	767	1,396	2,353
EBITDA	8,825	8,226	16,345	16,288
Foreign currency transaction (gains) losses on short-term intercompany balances	171	71	223	8
Transformation severance and related expenses	80	23	80	113
Wage claim costs		328		577
Stock-based compensation				0
Adjusted EBITDA	9,076	8,648	16,648	16,986
Recovery Audit Services - Europe/Asia- Pacific [Member]
Segment information
Revenue	10,770	13,411	21,787	27,716
EBIT	(74)	1,554	367	3,211
Depreciation of property and equipment	126	87	238	127
Amortization of intangible assets	452	490	848	1,029
EBITDA	504	2,131	1,453	4,367
Foreign currency transaction (gains) losses on short-term intercompany balances	69	406	375	149
Transformation severance and related expenses	537	21	537	78
Adjusted EBITDA	1,110	2,558	2,365	4,594
New Services [Member]
Segment information
Revenue	10,043	8,655	17,885	17,186
EBIT	369	(821)	(792)	(1,619)
Depreciation of property and equipment	545	502	1,073	1,060
Amortization of intangible assets	182	202	364	404
EBITDA	1,096	(117)	645	(155)
Foreign currency transaction (gains) losses on short-term intercompany balances		20	0	1
Acquisition obligations classified as compensation	44	94	100	195
Transformation severance and related expenses		232	0	327
Adjusted EBITDA	1,140	229	745	368
Corporate Support [Member]
Segment information
EBIT	(4,596)	(5,087)	(9,988)	(10,214)
EBITDA	(4,596)	(5,087)	(9,988)	(10,214)
Foreign currency transaction (gains) losses on short-term intercompany balances	(15)		(16)	0
Stock-based compensation	1,155	1,239	2,473	2,640
Adjusted EBITDA	$ (3,456)	$ (3,848)	$ (7,531)	$ (7,574)