Investment in Spreadzoom (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Financial Position of SpreadZoom
Current assets	$ 26,542,710		$ 26,542,710
Non-current assets	3,669,499		3,669,499
Total assets	30,212,209		30,212,209
Current liabilities	13,394,293		13,394,293
Non-current liabilities
Total liabilities	13,394,293		13,394,293
Net ssset value	16,817,916		16,817,916
Results of Operations of SpreadZoom
Net revenues	15,466,008		51,989,850
Cost of goods sold	14,602,540		50,749,207
Gross profit	863,468		1,240,643
Operating expenses	468,792		1,551,314
Operating income (loss)	394,676		(310,671)
Other income (expenses), net	(25,464)		(24,447)
Income (loss) before taxes	369,212		(335,118)
less: Provision for income taxes
Net income (loss)	369,212		(335,118)
Investment loss attributable to Zoom Technologies, Inc.	$ 174,895	$ (423,630)	$ (158,746)	$ (423,630)