Accounting Policies (Correction of Prior Period Financial Statements (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Warrant liability	$ 13,715		$ 7,340
Total current liabilities	199,338,014		170,751,984
TOTAL LIABILITIES	201,519,411		171,069,484
Additional paid-in capital	51,300,193		51,108,409
Retained earnings	(5,561,303)		(4,098,798)
TOTAL STOCKHOLDERS' EQUITY	51,119,889		52,056,677
Change in fair value of warrants	(6,375)	(116,953)
Total other income and expense	(470,915)	(223,973)
Net income attributable to Zoom Technologies Inc.	(1,462,505)	524,932
Basic and diluted income per common share:
Basic	$ (0.05)	$ 0.02
Diluted	$ (0.05)	$ 0.02
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		821,341
Total other income and expense		821,314
Net income attributable to Zoom Technologies Inc.		821,314
Basic and diluted income per common share:
Basic		$ 0.05
Diluted		$ 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		0
Total other income and expense		(1,293,059)
Net income attributable to Zoom Technologies Inc.		5,023,248
Basic and diluted income per common share:
Basic		$ 0.32
Diluted		$ 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
Total other income and expense		2,915,924
Net income attributable to Zoom Technologies Inc.		$ 9,232,231
Basic and diluted income per common share:
Basic		$ 0.58
Diluted		$ 0.58