Segment Information (Tables)

6 Months Ended

Jun. 30, 2016

Segment Reporting [Abstract]

Geographical Segment Revenue

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

	Three Months Ended June 30, 2016		Three Months Ended June 30, 2015		Six Months Ended June 30, 2016		Six Months Ended June 30, 2015
Domestic	$	1,151	$	1,758	$	2,284	$	3,445
International (1)		4,306		4,040		8,753		8,342
Total	$	5,457	$	5,798	$	11,037	$	11,787

(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 Months Ended June 30, 2016			Three Months Ended June 30, 2015			Six Months Ended June 30, 2016			Six Months Ended June 30, 2015
Central Banks		63	%		54	%		63	%		57	%