Related Party Transactions (Details)	3 Months Ended	9 Months Ended			1 Months Ended		3 Months Ended		9 Months Ended				1 Months Ended		3 Months Ended
	Sep. 30, 2012 USD ($) sqft	Sep. 30, 2012 USD ($) sqft	Dec. 31, 2011 USD ($)		Aug. 31, 2011 Beijing JiYa Semiconductor Material Co Ltd [Member] USD ($)	Aug. 31, 2011 Beijing JiYa Semiconductor Material Co Ltd [Member] CNY	Mar. 31, 2012 Beijing JiYa Semiconductor Material Co Ltd [Member] USD ($)	Mar. 31, 2012 Beijing JiYa Semiconductor Material Co Ltd [Member] CNY	Sep. 30, 2012 Beijing JiYa Semiconductor Material Co Ltd [Member] USD ($)	Sep. 30, 2012 Beijing JiYa Semiconductor Material Co Ltd [Member] CNY	Aug. 31, 2011 Nanjing Jin Mei Gallium Co Ltd [Member] USD ($)	Aug. 31, 2011 Nanjing Jin Mei Gallium Co Ltd [Member] CNY	Mar. 31, 2012 Beijing Tongmei Xtal Technology [Member] USD ($) sqft	Mar. 31, 2012 Beijing Tongmei Xtal Technology [Member] CNY sqft	Sep. 30, 2012 Beijing Tongmei Xtal Technology [Member] USD ($)	Sep. 30, 2012 Beijing Tongmei Xtal Technology [Member] CNY
Related Party Transaction [Line Items]
Amount of loan under note agreement					$ 1,700,000	10,485,200					$ 789,000	5,000,000
Number of equity method investees to whom loan was granted					1	1
Amount of loan to related parties					783,000	4,959,000	872,000	5,526,200
Term of Loan									2 years 10 months	2 years 10 months
Number of installments									3	3
First installment due in Dec 2012									414,000	2,620,000
Second installment due in Dec 2013									828,000	5,240,000
Final installment due in May 2014									414,000	2,625,200
Related party notes receivable - short term	414,000	414,000	412,000	[1]					414,000	2,620,000
Related party notes receivable - long term	2,031,000	2,031,000	2,021,000	[1]					1,200,000	7,865,200	789,000	5,000,000
Area of leased property (in square feet)	27,760	27,760											22,081	22,081
Lease term	7 years	7 years											10 years	10 years
Annual lease payment													23,682	150,000
Increase in annual lease payment at each third year anniversary (in hundredths)													5.00%	5.00%
Payments to purchase materials															$ 168,000	740,924

[1] The Condensed Consolidated Balance Sheet at December 31, 2011 has been derived from the audited consolidated financial statements at that date.