13. Concentrations

Revenues from the Company’s services to a limited number of customers have accounted for a substantial percentage of the Company’s total revenues. For the three months ended March 31, 2016, the Company’s two largest customers, Laser Systems, Inc. (“Laser System”) a reseller, and Tiburon Inc. (“Tiburon”) a reseller, accounted for 10 % and 9 %, respectively, of the Company’s revenue for that period. For the three months ended March 31, 2015, the Company’s two largest customers, Tiburon, Inc. (“Tiburon”) and Ohio State Highway Patrol (“OSHP”), a direct end user, accounted for 15 % and 18 % , respectively, of the Company’s revenue for that period.

For the three months ended March 31, 2016 and 2015, government contracts represented approximately 56 % and 45 % of the Company’s net revenues, respectively. A significant portion of the Company’s sales to Tiburon represent ultimate sales to government agencies.

As of March 31, 2016, accounts receivable concentrations from the Company’s three largest customers were 11 %, 8 % and 6 % of gross accounts receivable, respectively. As of December 31, 2015, accounts receivable concentrations from the Company’s three largest customers were 18 %, 13 % and 12 % of gross accounts receivable, respectively. Accounts receivable balances from the Company’s three largest customers at March 31, 2016 have since been partially collected.