REVENUE RECOGNITION (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Disaggregated Revenue [Line Items]
Revenue	$ 69,114	$ 77,652
Domestic
Disaggregated Revenue [Line Items]
Revenue	41,587	44,364
Offshore
Disaggregated Revenue [Line Items]
Revenue	18,166	21,123
Nearshore
Disaggregated Revenue [Line Items]
Revenue	9,361	12,165
Communications Sector [Member]
Disaggregated Revenue [Line Items]
Revenue	44,852	59,307
Communications Sector [Member] | Domestic
Disaggregated Revenue [Line Items]
Revenue	24,848	31,362
Communications Sector [Member] | Offshore
Disaggregated Revenue [Line Items]
Revenue	14,613	18,896
Communications Sector [Member] | Nearshore
Disaggregated Revenue [Line Items]
Revenue	5,391	9,049
Retail
Disaggregated Revenue [Line Items]
Revenue	10,759	10,026
Retail | Domestic
Disaggregated Revenue [Line Items]
Revenue	5,982	7,233
Retail | Offshore
Disaggregated Revenue [Line Items]
Revenue	2,655	1,738
Retail | Nearshore
Disaggregated Revenue [Line Items]
Revenue	2,122	1,055
Healthcare
Disaggregated Revenue [Line Items]
Revenue	5,881	3,301
Healthcare | Domestic
Disaggregated Revenue [Line Items]
Revenue	5,377	2,914
Healthcare | Offshore
Disaggregated Revenue [Line Items]
Revenue	456	225
Healthcare | Nearshore
Disaggregated Revenue [Line Items]
Revenue	48	162
Gov't Services
Disaggregated Revenue [Line Items]
Revenue	3,286	0
Gov't Services | Domestic
Disaggregated Revenue [Line Items]
Revenue	3,286	0
Gov't Services | Offshore
Disaggregated Revenue [Line Items]
Revenue	0	0
Gov't Services | Nearshore
Disaggregated Revenue [Line Items]
Revenue	0	0
Technology
Disaggregated Revenue [Line Items]
Revenue	1,793	2,183
Technology | Domestic
Disaggregated Revenue [Line Items]
Revenue	252	614
Technology | Offshore
Disaggregated Revenue [Line Items]
Revenue	272	0
Technology | Nearshore
Disaggregated Revenue [Line Items]
Revenue	1,269	1,569
Financial
Disaggregated Revenue [Line Items]
Revenue	1,563	1,361
Financial | Domestic
Disaggregated Revenue [Line Items]
Revenue	1,563	1,361
Financial | Offshore
Disaggregated Revenue [Line Items]
Revenue	0	0
Financial | Nearshore
Disaggregated Revenue [Line Items]
Revenue	0	0
Other
Disaggregated Revenue [Line Items]
Revenue	980	1,474
Other | Domestic
Disaggregated Revenue [Line Items]
Revenue	279	880
Other | Offshore
Disaggregated Revenue [Line Items]
Revenue	170	264
Other | Nearshore
Disaggregated Revenue [Line Items]
Revenue	$ 531	$ 330