Note 1 - Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

Disaggregation of Revenue [Table Text Block]

Three-Months Ended March 31,	2018		2017
FACILITIES:
Maintenance revenues	$	1,166	$	1,104
Equipment sales		612		-
Deployment and other services		1,601		1,384
	$	3,379	$	2,488
SYSTEMS INTEGRATION:
Integration services	$	1,470	$	1,901
TOTAL REVENUES	$	4,849	$	4,389

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	Three months ended
	March 31,
	2018		2017
US-based IT OEM		76%		63%