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Other Investments (Details) (USD $)	9 Months Ended		12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Other Investments (Additional Textual) [Abstract]
Ownership interest in investment	27.00%		27.00%
Purchase of components under agreement	$ 1,210,000	$ 3,980,000
Allocation of equity method income (loss)	0	0
Great Wall Semiconductor Corporation (GWS) [Member]
Other Investments (Textual) [Abstract]
Investment in non-voting convertible preferred stock	0		0
Great Wall Semiconductor Corporation (GWS) [Member] | Convertible preferred stock [Member]
Other Investments (Textual) [Abstract]
Investment in non-voting convertible preferred stock	$ 5,000,000		5,000,000

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The amount of income (loss) from operations derived by the reporting entity during the period from the Variable Interest Entity (VIE).

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