12. 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 twelve months ended December 31, 2013, the Company’s two largest customers, Tiburon, Inc. (“Tiburon”) and CareWorks (“CareWorks”) which are both Resellers, accounted for approximately 9% and 5%, respectively, of the Company’s revenues for that period. For the twelve months ended December 31, 2012, the Company’ s two largest customers, FormFast, Inc. (“FormFast”) and Tiburon, Inc. (“Tiburon”), which are both Resellers, accounted for approximately 16% and 12%, respectively, of the Company’s revenues for that period.

For the twelve months ended December 31, 2013 and 2012, government contracts represented approximately 57% and 39% of the Company’s net revenues, respectively. A significant portion of the Company’s sales to Resellers’ represent ultimate sales to government agencies.

As of December 31, 2013, accounts receivable concentrations from the Company’s four largest customers were 24%, 21% and 17% and 12% of gross accounts receivable, respectively, and as of December 31, 2012, accounts receivable concentrations from the Company’s three largest customers were 34%, 20% and 12%, of gross accounts receivable, respectively. Accounts receivable balances from the Company’s two largest customers at December 31, 2013 has been partially collected.