Segment Information (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Geographical Segment Revenue

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

	Three		Three
	Months		Months
	Ended		Ended
	March 31,		March 31,
	2018		2017
Domestic	$	1,451	$	1,501
International (1)		4,162		4,590
Total	$	5,613	$	6,091

(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.

Major Customers Per Regulation S-K

Customers per Regulation S-K, Item 101(c)(1)(vii) are as follows:

	Three			Three
	Months			Months
	Ended			Ended
	March 31,			March 31,
	2018			2017
Central Banks		67	%		62	%