Segment Information (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Financial Information by Geographic Area

The following tables contain certain financial information by geographic area:

	Three Months Ended March 31,
	2012		2013
	(Unaudited)		(Unaudited)
Revenue:
United States	$	3,095,909	$	4,153,172
Europe		641,610		1,361,249
Japan		244,125		109,770
	$	3,981,644	$	5,624,191

	December 31, 2012		March 31, 2013
			(Unaudited)
Long-lived assets:
United States	$	1,598,607	$	1,547,022

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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