PROPERTY AND EQUIPMENT, NET Property and Equipment, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Construction in Progress, Gross	$ 392	$ 513
Property, plant and equipment, gross	42,180	42,047
Less: acccumulated depreciation and amortization	34,268	34,119
Property and equipment, net	7,912	7,928
Capital lease obligation, current	66	62
Capital lease obligation, non-current	218	229
Computer equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	6,360	5,911
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,116	2,668
Capitalized software costs
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	18,308	17,946
Leasehold and building improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 15,396	$ 15,522