Operating Segments and Related Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Segment information
Revenue	$ 37,901	$ 45,101
Net loss	(3,674)	(497)
Income tax expense	113	56
Interest expense (income), net	54	(217)
EBIT	(3,507)	(658)
Depreciation of property and equipment	1,682	2,008
Amortization of intangible assets	903	1,276
EBITDA	(922)	2,626
Foreign currency transaction (gains) losses on short-term intercompany balances	15	357
Acquisition-related charges	19	(666)
Transformation severance and related expenses	385
Stock-based compensation	1,021	1,318
Adjusted EBITDA	518	3,635
Recovery Audit Services - Americas [Member]
Segment information
Revenue	24,798	26,242
EBIT	4,084	5,454
Depreciation of property and equipment	1,256	1,368
Amortization of intangible assets	500	698
EBITDA	5,840	7,520
Foreign currency transaction (gains) losses on short-term intercompany balances	110	52
Acquisition-related charges		10
Transformation severance and related expenses	8
Adjusted EBITDA	5,958	7,582
Recovery Audit Services - Europe/Asia-Pacific [Member]
Segment information
Revenue	9,702	11,017
EBIT	101	441
Depreciation of property and equipment	146	112
Amortization of intangible assets	307	396
EBITDA	554	949
Foreign currency transaction (gains) losses on short-term intercompany balances	(73)	306
Acquisition-related charges		(732)
Transformation severance and related expenses	79
Adjusted EBITDA	560	523
Adjacent Services [Member]
Segment information
Revenue	2,283	3,943
EBIT	(1,574)	(311)
Depreciation of property and equipment	160	155
Amortization of intangible assets	96	182
EBITDA	(1,318)	26
Acquisition-related charges	19	56
Transformation severance and related expenses	143
Adjusted EBITDA	(1,156)	82
Healthcare Claims Recovery Audit Services [Member]
Segment information
Revenue	1,118	3,899
EBIT	(2,006)	(850)
Depreciation of property and equipment	120	373
EBITDA	(1,886)	(477)
Transformation severance and related expenses	155
Adjusted EBITDA	(1,731)	(477)
Corporate Support [Member]
Segment information
EBIT	(4,112)	(5,392)
EBITDA	(4,112)	(5,392)
Foreign currency transaction (gains) losses on short-term intercompany balances	(22)	(1)
Stock-based compensation	1,021	1,318
Adjusted EBITDA	$ (3,113)	$ (4,075)