Unbilled Accounts Receivable and Significant Concentrations

12 Months Ended

Dec. 31, 2018

Receivables [Abstract]

Unbilled Accounts Receivable and Significant Concentrations

Unbilled accounts receivable represent revenues earned in connection with products and/or services delivered for which we are unable to issue a formal billing to the customer at the balance sheet due to either timing of invoice processing or delays due to fixed contractual billing schedules. A significant portion of our unbilled accounts receivable consist of carrier services and cybersecurity hardware and software products delivered but not invoiced at the end of the reporting period. Unbilled receivables consist of the following by customer type as of the periods presented below:

	DECEMBER 31,
Customer Type	2018		2017
Government	$	9,253,586	$	7,872,675
Commercial		312,584		258,773
Unbilled accounts receivable	$	9,566,170	$	8,131,448

Significant Concentrations

Customers representing ten percent or more of consolidated unbilled accounts receivable are set forth in the table below as of the periods presented:

	DECEMBER 31,
	2018			2017
	As a % of			As a % of
Customer Name	Receivables			Receivables
U.S. Department of Homeland Security Headquarters		11	%		11	%
U.S. Immigration and Customs Enforcement		37	%		27	%
U.S. Coast Guard		11	%		--
U.S. Transportation Safety Administration		10	%		12	%