Investment in Spreadzoom (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Financial Position of SpreadZoom
Current assets	$ 34,783,363		$ 34,783,363
Non-current assets	3,466,061		3,466,061
Total assets	38,249,424		38,249,424
Current liabilities	21,906,369		21,906,369
Non-current liabilities
Total liabilities	21,906,369		21,906,369
Net ssset value	16,343,055		16,343,055
Results of Operations of SpreadZoom
Net revenues	18,417,376		36,523,842
Cost of goods sold	18,222,696		36,146,667
Gross profit	194,680		377,175
Operating expenses	366,619		1,082,522
Operating loss	(171,939)		(705,347)
Other income (expenses), net	832		1,017
Income (loss) before taxes	(171,107)		(704,330)
less: Provision for income taxes
Net loss	(171,107)		(704,330)
Investment loss attributable to Zoom Technologies, Inc.	$ (81,053)	$ 0	$ (333,641)	$ 0