SIGNIFICANT TRANSACTION - AVIS BUDGET GROUP INC. (Details Textual) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended		1 Months Ended	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011 Pilot Agreement With Avis Budget Car Rental [Member]	Dec. 31, 2009 Pilot Agreement With Avis Budget Car Rental [Member]	Aug. 22, 2011 Avis Budget Group, Inc. [Member]	Sep. 30, 2012 Avis Budget Group, Inc. [Member]	Dec. 31, 2011 Avis Budget Group, Inc. [Member]
Stock Issued During Period, Shares, Treasury Stock Reissued							1,000,000
Stock Issued During Period Price Per Share							$ 4.60
Shares purchased by Avis - issued from treasury stock							$ 4,604,500
Class of Warrant or Right, Number of Securities Called by Warrants or Rights							600,000
Class of Warrant or Right, Exercise Price of Warrants or Rights							10.00
Issuance of warrants to customer					137,000
Maximum Amount Of System and Maintenance Services Revenue							14,000,000
Units Covered Under System and Maintenance Services							25,000
Units Delivered Under System and Maintenance Services						30,000		20,000	5,000
Invoices Issuable Under Management Agreement On Monthly Basis Number Of Invoice							60 months
Invoices Issuable Under Management Agreement On Monthly Basis Invoice Value							286,100
Exclusivity Period Description							The Master Agreement provided for a period of exclusivity (the Exclusivity Period) commencing on the Effective Date and ending twelve (12) months after delivery of the 5000th new unit pursuant to SOW#1. The Company and ABCR amended the Master Agreement to extend the Exclusivity Period, which was then scheduled to expire onJuly 31, 2013, to September 30, 2013. Althoughthe Exclusivity Period expired, the Companyand ABCR continueto negotiatefor theexpansion of the deploymentacross a larger segment of ABCRs global fleet; however, there can be no assurance that they will enter into a definitive agreement. Should ABCR proceed with SOW#2, the Exclusivity Period would resume on the effective date of SOW#2 (provided that SOW#2 is executed within three (3) months of expiry, unless the Company has already entered into an agreement with another customer to sell the System) for a period of four (4) years.
Warrants Exercisable Description							The Warrant has an exercise price of $10.00 per share of common stock. The Warrant is exercisable (i) with respect to 100,000 of the Warrant Shares, at any time after the Effective Date and on or before the fifth (5th) anniversary thereof, and (ii) with respect to 500,000 of the Warrant Shares, at any time on or after the date (if any) on which Avis Budget Car Rental, LLC (ABCR), a subsidiary of Avis Budget Group and the Avis entity that is the counterparty under the Master Agreement described below, executes and delivers to the Company SOW#2 (which is described below), and on or before the fifth (5th) anniversary of the Effective Date.
Number Of Warrants Issued							100,000
Master Agreement Description							ABCR hosts the System. As part of the Master Agreement, the Company also will provide ABCR with services for ongoing maintenance and support of the System (the “Maintenance Services”) for a period of 60 months from installation of the equipment. ABCR has the option to renew the period for twelve (12) months upon its expiry, and then after such 12-month period, the period can continue on a month-to-month basis (during which ABCR can terminate the period) for up to 48 additional months.
Revenue, Net, Total	$ 11,205,000	$ 15,479,000	$ 28,589,000	$ 33,972,000				$ 6,900,000	$ 1,700,000