CONSOLIDATED STATEMENTS OF INCOME - OTHER COMPREHENSIVE INCOME (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Income Statement [Abstract]
Net revenues	$ 306,374,389	$ 252,589,072
Cost of goods sold	281,179,403	224,884,782
Gross profit	25,194,986	27,704,290
Operating expenses:
Sales and marketing	798,345	466,493
General and administrative	8,216,982	4,390,168
Research and development expenses	5,874,728	3,251,209
Non-cash equity-based compensation	2,413,992	1,688,372
Impairment of goodwill	1,033,762	0
Total operating expenses	18,337,809	9,796,242
Income from operations	6,857,177	17,908,048
Other income (expenses)
Interest income	322,261	256,612
Loss on disposal of fixed assets	(8,529)	(60,573)
Government grants	236,503	122,675
Other income	1,394,396	286,661
Interest expense	(2,771,861)	(1,391,510)
Exchange (loss)	(91,698)	(34,411)
Other expenses	(357,270)	(245,873)
Total other expenses	(1,276,198)	(1,066,419)
Income before income taxes and noncontrolling interest	5,580,979	16,841,629
Income taxes	2,307,570	3,832,772
Income before noncontrolling interest	3,273,409	13,008,857
Less: income attributable to noncontrolling interest	255,803	183,253
Net income attributable to Zoom Technologies Inc.	3,017,606	12,825,604
Foreign currency translation gain - Zoom Technologies Inc.	1,117,223	650,230
Foreign currency translation gain - noncontrolling interest	121,557	103,203
Comprehensive income Zoom Technologies Inc.	4,134,829	13,475,834
Comprehensive income noncontrolling interest	$ 377,360	$ 286,456
Basic and diluted income per common share:
Basic	$ 0.18	$ 1.07
Diluted	$ 0.15	$ 0.97
Weighted average common shares outstanding:
Basic	17,156,446	12,035,589
Diluted	20,110,099	13,210,181