CONSOLIDATED STATEMENTS OF INCOME (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Income Statement [Abstract]
Net revenues	$ 90,908,264	$ 58,611,686
Cost of sales	84,752,706	52,262,817
Gross profit	6,155,558	6,348,869
Operating expenses:
Sales and marketing	245,608	208,539
General and administrative	3,394,640	1,266,191
Research and development expenses	526,714	1,635,204
Non-cash equity-based compensation	434,249	307,469
Total operating expenses	4,601,211	3,417,403
Income from operations	1,554,347	2,931,466
Other income (expenses)
Interest income	202,282	104,261
Loss on disposal of fixed assets	0	(8,368)
Government grants	57,565	0
Other income	13,712	15,225
Interest expense	(583,245)	(359,028)
Exchange (loss)	(2,161)	(16,172)
Other expenses	(76,191)	(80,581)
Total other expenses	(388,038)	(344,663)
Income before income taxes and noncontrolling interest	1,166,309	2,586,803
Income taxes	346,910	787,599
Income before noncontrolling interest	819,399	1,799,204
Less: income attributable to noncontrolling interest	177,514	12,391
Net income attributable to Zoom Technologies Inc.	$ 641,885	$ 1,786,813
Basic and diluted income per common share:
Basic	$ 0.03	$ 0.11
Diluted	$ 0.03	$ 0.11
Weighted average common shares outstanding:
Basic	23,958,988	15,783,859
Diluted	24,020,832	16,074,096