Discontinued Operations - Carrying Value of Assets and Liabilities of Discontinued Operations (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
ASSETS:
Accounts receivables	$ 11,315	$ 10,707
Deferred income taxes	161	143
Non-current deposits	211	210
Total assets	20,385	17,051
LIABILITIES:
Accounts payable	1,478	2,026
Other accrued liabilities	296	304
Total liabilities	8,194	7,591
Healthcare Staffing [Member]
ASSETS:
Accounts receivables	2	68
Deferred income taxes		24
Non-current deposits	19	19
Total assets	21	111
LIABILITIES:
Accounts payable	5	23
Other accrued liabilities	133	174
Total liabilities	138	197
TOTAL NET (LIABILITIES)	$ (117)	$ (86)