REVENUE RECOGNITION, Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Disaggregation of Revenue [Abstract]
Revenue	$ 17,537	$ 16,374
Unfulfilled performance obligations	87,100
Revenue Recognized over Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	10,263	9,359
Revenue Recognized at a Point in Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	7,274	7,015
Network Services [Member]
Disaggregation of Revenue [Abstract]
Revenue	10,211	9,594
Software Sales and Support [Member]
Disaggregation of Revenue [Abstract]
Revenue	1,202	206
Commissions [Member]
Disaggregation of Revenue [Abstract]
Revenue	5,211	5,871
Medical Equipment Sales [Member]
Disaggregation of Revenue [Abstract]
Revenue	631	423
Medical Equipment Service [Member]
Disaggregation of Revenue [Abstract]
Revenue	282	280
IT [Member]
Disaggregation of Revenue [Abstract]
Revenue	11,413	9,800
IT [Member] | Revenue Recognized over Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	10,090	9,170
IT [Member] | Revenue Recognized at a Point in Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	1,323	630
IT [Member] | Network Services [Member]
Disaggregation of Revenue [Abstract]
Revenue	10,211	9,594
IT [Member] | Software Sales and Support [Member]
Disaggregation of Revenue [Abstract]
Revenue	1,202	206
Professional Sales Service [Member]
Disaggregation of Revenue [Abstract]
Revenue	5,211	5,871
Professional Sales Service [Member] | Revenue Recognized over Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	0	0
Professional Sales Service [Member] | Revenue Recognized at a Point in Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	5,211	5,871
Professional Sales Service [Member] | Commissions [Member]
Disaggregation of Revenue [Abstract]
Revenue	5,211	5,871
Equipment [Member]
Disaggregation of Revenue [Abstract]
Revenue	913	703
Equipment [Member] | Revenue Recognized over Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	173	189
Equipment [Member] | Revenue Recognized at a Point in Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	740	514
Equipment [Member] | Medical Equipment Sales [Member]
Disaggregation of Revenue [Abstract]
Revenue	631	423
Equipment [Member] | Medical Equipment Service [Member]
Disaggregation of Revenue [Abstract]
Revenue	$ 282	$ 280