Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2017

Deferred Revenue Disclosure [Abstract]

Schedule of Deferred Revenue

Deferred revenue consists of the following:

	December 31, 2016		September 30, 2017
			(Unaudited)
Deferred activation fees	$	385,000	$	335,000
Deferred revenue		230,000		2,116,000
Deferred maintenance and hosting service revenue		3,049,000		3,434,000
Deferred remote asset management product revenue		13,599,000		12,317,000
		17,263,000		18,202,000
Less: Current portion		7,197,000		9,799,000
Deferred revenue - less current portion	$	10,066,000	$	8,403,000