Restructuring Charges	3 Months Ended
Restructuring Charges	Mar. 31, 2015
Restructuring Charges [Abstract]
Restructuring Charges	Note 14. Restructuring Charges On February 25, 2014, we announced a restructuring plan with respect to our wholly-owned subsidiary, Beijing Tongmei Xtal Technology Co, Ltd. (“Tongmei”) in order to better align manufacturing capacity with demand. Under the restructuring plan, Tongmei implemented certain workforce reductions with respect to its manufacturing facility in China. We also announced that the restructuring plan would be completed by March 31, 2014, depending on local legal requirements. In the first quarter of 2014, we reduced the workforce at Tongmei by approximately 93 positions that were no longer required to support production and operations, or approximately 11 percent of the workforce. Accordingly, we recorded a restructuring charge of approximately $907,000 related to the reduction in force for severance-related expenses. As of March 31, 2014, we completed this restructuring plan and the reduction in force. We had no restructuring charge in the first three months of 2015.

The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled.

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