Accounting Policies (Correction of Prior Period Financial Statements (Details) (USD $)	12 Months Ended		3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2011 Previouly Reported	Dec. 31, 2011 Previouly Reported	Sep. 30, 2011 Adjustment	Dec. 31, 2011 Adjustment	Sep. 30, 2011 As Currently Reported	Dec. 31, 2011 As Currently Reported
Warrant liability	$ 7,340	$ 850,841		$ 0		$ 850,841		$ 850,841
Total current liabilities	170,751,984	94,060,219		93,209,378		850,841		94,060,219
TOTAL LIABILITIES	171,069,484	94,715,677		93,864,836		850,841		94,715,677
Additional paid-in capital	51,108,409	44,557,801		53,133,895		(7,176,026)		45,957,869
Retained earnings	(4,098,798)	28,373,724		22,048,539		6,325,185		28,373,724
TOTAL STOCKHOLDERS' EQUITY	52,056,677	75,927,800		76,778,641		(850,841)		75,927,800
Change in fair value of warrants	843,501	3,673,243	0	821,341	821,314	0	4,208,983	4,208,983
Total other income and expense	(603,723)	4,360,896	(750,577)	821,314	70,737	(1,293,059)	4,208,983	2,915,924
Net income attributable to Zoom Technologies Inc.	$ (32,452,511)	$ 6,377,847	$ 1,755,051	$ 821,314	$ 2,576,365	$ 5,023,248	$ 4,208,983	$ 9,232,231
Basic and diluted income per common share:
Basic	$ (1.20)	$ 0.37	$ 0.11	$ 0.05	$ 0.16	$ 0.32	$ 0.26	$ 0.58
Diluted	$ (1.20)	$ 0.32	$ 0.11	$ 0.05	$ 0.16	$ 0.32	$ 0.26	$ 0.58