REVENUE RECOGNITION (Tables)

9 Months Ended

Sep. 30, 2012

Revenue Recognition Disclosure [Abstract]

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

Deferred revenue consists of the following:

	December 31,		September 30,
	2011		2012
Deferred activation fees	$	262,000	$	431,000
Deferred industrial equipment installation revenue		121,000		109,000
Deferred maintenance revenue		654,000		1,193,000
Deferred remote transportation asset management product revenue		6,385,000		8,380,000
		7,422,000		10,113,000
Less: Current portion		3,090,000		4,846,000
Deferred revenue - less current portion	$	4,332,000	$	5,267,000