REVENUE RECOGNITION (Tables)

3 Months Ended

Mar. 31, 2015

Deferred Revenue Disclosure [Abstract]

Deferred Revenue, by Arrangement, Disclosure [Table Text Block]

Deferred revenue consists of the following:

	December 31,		March 31,
	2014		2015
Deferred activation fees	$	532,000	$	515,000
Deferred revenue		1,985,000		532,000
Deferred maintenance revenue		3,211,000		4,001,000
Deferred remote transportation asset management product revenue		8,943,000		8,781,000
		14,671,000		13,829,000
Less: Current portion		6,742,000		6,499,000
Deferred revenue - less current portion	$	7,929,000	$	7,330,000