Segment Information (Tables)

6 Months Ended

Jun. 30, 2017

Segment Reporting [Abstract]

Geographical Segment Revenue

Revenue by geographic area, based upon the “bill-to” location, was as follows:

	Three		Three		Six		Six
	Months		Months		Months		Months
	Ended		Ended		Ended		Ended
	June 30,		June 30,		June 30,		June 30,
	2017		2016		2017		2016
Domestic	$	1,253	$	1,151	$	2,754	$	2,284
International (1)		4,334		4,306		8,924	$	8,753
Total	$	5,587	$	5,457	$	11,678	$	11,037

(1) Revenue from the Central Banks, consisting of a consortium of central banks around the world, is classified as international revenue. Reporting revenue by country for this customer is not practicable.

Customers Who Accounted for 10% or More of Company's Revenue

Customers who accounted for 10% or more of the Company’s revenue are as follows:

	Three			Three			Six			Six
	Months			Months			Months			Months
	Ended			Ended			Ended			Ended
	June 30,			June 30,			June 30,			June 30,
	2017			2016			2017			2016
Central Banks		63	%		63	%		63	%		63	%