Correction of Error for Accounting of Warrants as Derivative Securities (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Other income (expenses)
Change in fair value of warrants	$ 4	$ 523,078	$ 7,340	$ 523,078
Net income attributable to Zoom Technologies Inc.	(14,090,817)	752,314	(18,282,626)	2,047,508
Basic and diluted income per common share:
Basic	$ (4.70)	$ 0.26	$ (6.11)	$ 0.77
Diluted	$ (4.70)	$ 0.26	$ (6.11)	$ 0.77
Previouly Reported
Other income (expenses)
Change in fair value of warrants		0		0
Net income attributable to Zoom Technologies Inc.		419,939		1,061,824
Basic and diluted income per common share:
Basic		$ 0.02		$ 0.04
Diluted		$ 0.02		$ 0.04
Adjustment
Other income (expenses)
Change in fair value of warrants		350,323		233,370
Net income attributable to Zoom Technologies Inc.		350,323		233,370
Basic and diluted income per common share:
Basic		$ 0.01		$ 0.01
Diluted		$ 0.01		$ 0.01
As Currently Reported
Other income (expenses)
Change in fair value of warrants		350,323		233,370
Net income attributable to Zoom Technologies Inc.		$ 770,262		$ 1,295,194
Basic and diluted income per common share:
Basic		$ 0.03		$ 0.05
Diluted		$ 0.03		$ 0.05