Operating Segments and Related Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Segment Reporting Information [Line Items]
Revenue	$ 33,923	$ 42,988	$ 104,344	$ 122,870
Net loss	(3,409)	(239)	(5,270)	(5,381)
Income tax expense	421	554	1,172	853
Interest income, net	(8)	(44)	(103)	(33)
EBIT	(2,996)	271	(4,201)	(4,561)
Depreciation of property and equipment	1,262	1,428	3,858	4,696
Amortization of intangible assets	517	895	2,017	2,700
EBITDA	(1,217)	2,594	1,674	2,835
Foreign currency transaction (gains) losses on short-term intercompany balances	654	1,221	1,930	1,073
Acquisition-related charges				249
Transformation severance and related expenses	845	413	1,554	2,352
Loss on sale/disposal of assets	1,612		1,612
Stock-based compensation	1,381	1,405	4,530	3,409
Adjusted EBITDA	3,275	5,633	11,300	9,918
Recovery Audit Services - Americas [Member]
Segment Reporting Information [Line Items]
Revenue	23,981	28,550	71,748	80,377
EBIT	5,255	7,155	15,838	16,632
Depreciation of property and equipment	947	1,111	2,895	3,612
Amortization of intangible assets	437	500	1,319	1,501
EBITDA	6,639	8,766	20,052	21,745
Foreign currency transaction (gains) losses on short-term intercompany balances	393	208	651	164
Acquisition-related charges				0
Transformation severance and related expenses	101	44	265	510
Adjusted EBITDA	7,133	9,018	20,968	22,419
Recovery Audit Services - Europe/Asia-Pacific [Member]
Segment Reporting Information [Line Items]
Revenue	8,052	10,708	27,307	32,792
EBIT	365	(151)	1,719	1,309
Depreciation of property and equipment	148	150	454	445
Amortization of intangible assets	47	299	600	911
EBITDA	560	298	2,773	2,665
Foreign currency transaction (gains) losses on short-term intercompany balances	287	1,192	1,359	1,079
Acquisition-related charges				0
Transformation severance and related expenses	0	7	268	569
Adjusted EBITDA	847	1,497	4,400	4,313
Adjacent Services [Member]
Segment Reporting Information [Line Items]
Revenue	1,332	3,586	4,290	8,150
EBIT	(2,373)	(265)	(5,019)	(3,607)
Depreciation of property and equipment	160	145	479	463
Amortization of intangible assets	33	96	98	288
EBITDA	(2,180)	(24)	(4,442)	(2,856)
Foreign currency transaction (gains) losses on short-term intercompany balances	(714)		7
Acquisition-related charges				249
Transformation severance and related expenses	0	18	30	396
Loss on sale/disposal of assets	1,612		1,612
Adjusted EBITDA	(1,282)	(6)	(2,793)	(2,211)
Healthcare Claims Recovery Audit Services [Member]
Segment Reporting Information [Line Items]
Revenue	558	144	999	1,551
EBIT	(532)	(1,133)	(1,961)	(4,785)
Depreciation of property and equipment	7	22	30	176
EBITDA	(525)	(1,111)	(1,931)	(4,609)
Transformation severance and related expenses	472	26	683	431
Adjusted EBITDA	(53)	(1,085)	(1,248)	(4,178)
Corporate Segment [Member]
Segment Reporting Information [Line Items]
EBIT	(5,711)	(5,335)	(14,778)	(14,110)
EBITDA	(5,711)	(5,335)	(14,778)	(14,110)
Foreign currency transaction (gains) losses on short-term intercompany balances	688	(179)	(87)	(170)
Transformation severance and related expenses	272	318	308	446
Stock-based compensation	1,381	1,405	4,530	3,409
Adjusted EBITDA	$ (3,370)	$ (3,791)	$ (10,027)	$ (10,425)