DISCONTINUED OPERATIONS - Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and cash equivalents	$ 11,534	$ 22,267	$ 18,977	$ 18,515
JobKorea Ltd. | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and cash equivalents	11,534	22,267
Accounts receivable, net of doubtful accounts of $123 & $122, respectively	3,302	2,954
Property and equipment, net	1,877	2,538
Goodwill	36,797	39,595
Prepaid and other assets	3,262	3,664
Total assets held for sale	56,772	71,018
Accounts payable, accrued expenses and other liabilities	6,591	4,924
Deferred revenue	3,509	3,088
Total liabilities held for sale	10,100	8,012
Doubtful accounts	$ 123	$ 122