Income Tax (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Pre-tax profit (loss)	$ 1,171,917	$ 3,103,027	$ 3,741,891	$ 11,207,586
ZOOMTechnologiesMember
Statutory tax rate	34.00%		34.00%
Net operating loss carry forward period, years	20		20
Net operating loss ("NOL") carry forwards	10,200,000		10,200,000
Deferred tax asset valuation allowance provided	10,200,000		10,200,000
TCB Digital
Statutory tax rate	25.00%		25.00%
Pre-tax profit (loss)			(1,361,596)	(360,102)
Jiangsu Leimone
Statutory tax rate	25.00%		25.00%
Pre-tax profit (loss)			(190,738)	(801,131)
Nollec Wireless Acquisition
Statutory tax rate	25.00%		25.00%
Pre-tax profit (loss)			(2,455,326)	(1,884,866)
Profit Harvest
Statutory tax rate	16.50%		16.50%
Pre-tax profit (loss)			8,780,223	12,333,401
CDE
Statutory tax rate	16.50%		16.50%
Pre-tax profit (loss)			369,569	(133,576)
Portables
Statutory tax rate	34.00%		34.00%
Pre-tax profit (loss)			$ 901,857