Accounting Policies (Correction of Prior Period Financial Statements (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Warrant liability	$ 327,763		$ 327,763		$ 850,841
Total current liabilities	135,978,936		135,978,936		94,060,219
TOTAL LIABILITIES	135,978,936		135,978,936		94,715,677
Additional paid-in capital	51,333,938		51,333,938		45,957,869
Retained earnings	30,401,236		30,401,236		28,373,724
TOTAL STOCKHOLDERS' EQUITY	79,249,066		79,249,066		75,927,800
Change in fair value of warrants	289,708	821,314	523,078	4,208,983
Total other income and expense	558,665	(175,466)	550,805	112,891
Net income attributable to Zoom Technologies Inc.	752,314	2,576,365	2,047,508	9,232,231
Basic and diluted income per common share:
Basic	$ 0.03	$ 0.16	$ 0.08	$ 0.58
Diluted	$ 0.03	$ 0.16	$ 0.08	$ 0.58
Previouly Reported
Warrant liability					0
Total current liabilities					93,209,378
TOTAL LIABILITIES					93,864,836
Additional paid-in capital					53,133,895
Retained earnings					22,048,539
TOTAL STOCKHOLDERS' EQUITY					76,778,641
Change in fair value of warrants		0		821,341
Total other income and expense		(750,577)		821,314
Net income attributable to Zoom Technologies Inc.		1,755,051		821,314
Basic and diluted income per common share:
Basic		$ 0.11		$ 0.05
Diluted		$ 0.11		$ 0.05
Adjustment
Warrant liability					850,841
Total current liabilities					850,841
TOTAL LIABILITIES					850,841
Additional paid-in capital					(7,176,026)
Retained earnings					6,325,185
TOTAL STOCKHOLDERS' EQUITY					(850,841)
Change in fair value of warrants		821,314		0
Total other income and expense		70,737		(1,293,059)
Net income attributable to Zoom Technologies Inc.		2,576,365		5,023,248
Basic and diluted income per common share:
Basic		$ 0.16		$ 0.32
Diluted		$ 0.16		$ 0.32
As Currently Reported
Warrant liability					850,841
Total current liabilities					94,060,219
TOTAL LIABILITIES					94,715,677
Additional paid-in capital					45,957,869
Retained earnings					28,373,724
TOTAL STOCKHOLDERS' EQUITY					75,927,800
Change in fair value of warrants		4,208,983		4,208,983
Total other income and expense		4,208,983		2,915,924
Net income attributable to Zoom Technologies Inc.		$ 4,208,983		$ 9,232,231
Basic and diluted income per common share:
Basic		$ 0.26		$ 0.58
Diluted		$ 0.26		$ 0.58