Operating Segments and Related Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Segment information
Revenue	$ 45,101	$ 51,649
Net earnings (loss)	(497)	292
Income tax expense	56	497
Interest expense (income), net	(217)	504
EBIT	(658)	1,293
Depreciation of property and equipment	2,008	1,513
Amortization of intangible assets	1,276	2,327
EBITDA	2,626	5,133
Foreign currency transaction (gains) losses on short-term intercompany balances	357	(339)
Acquisition obligations classified as compensation	56	101
Transformation severance and related expenses		242
Wage claim costs		249
Stock-based compensation	1,318	1,401
Adjusted EBITDA	4,357	6,787
Recovery Audit Services - Americas [Member]
Segment information
Revenue	26,242	28,813
EBIT	5,454	5,561
Depreciation of property and equipment	1,368	915
Amortization of intangible assets	698	1,586
EBITDA	7,520	8,062
Foreign currency transaction (gains) losses on short-term intercompany balances	52	(63)
Transformation severance and related expenses		90
Wage claim costs		249
Adjusted EBITDA	7,572	8,338
Recovery Audit Services - Europe/Asia- Pacific [Member]
Segment information
Revenue	11,017	14,305
EBIT	441	1,657
Depreciation of property and equipment	112	40
Amortization of intangible assets	396	539
EBITDA	949	2,236
Foreign currency transaction (gains) losses on short-term intercompany balances	306	(257)
Transformation severance and related expenses		57
Adjusted EBITDA	1,255	2,036
New Services [Member]
Segment information
Revenue	7,842	8,531
EBIT	(1,161)	(798)
Depreciation of property and equipment	528	558
Amortization of intangible assets	182	202
EBITDA	(451)	(38)
Foreign currency transaction (gains) losses on short-term intercompany balances		(19)
Acquisition obligations classified as compensation	56	101
Transformation severance and related expenses		95
Adjusted EBITDA	(395)	139
Corporate Support [Member]
Segment information
EBIT	(5,392)	(5,127)
EBITDA	(5,392)	(5,127)
Foreign currency transaction (gains) losses on short-term intercompany balances	(1)
Stock-based compensation	1,318	1,401
Adjusted EBITDA	$ (4,075)	$ (3,726)