Inventories	12 Months Ended
Dec. 31, 2013
Inventories [Abstract]
Inventories	Note 4. Related Party Transactions In August 2011, our consolidated joint venture, Beijing JiYa Semiconductor Material Co., Ltd (JiYa), entered into a non-interest bearing note agreement in the amount of $1.7 million (Rmb 10,485,200) with one of its equity investment entities. Under the loan agreement, JiYa loaned $811,000 (Rmb 4,959,000) to its equity investment entity in August 2011 and the remaining amount of $904,000 (Rmb 5,526,200) was loaned during the three months ended March 31, 2012. The original term of the loan is two years and ten months and the loan is payable to JiYa in three installments with the first installment of $429,000 (Rmb 2,620,000) due in December 2012, the second installment of $857,000 (Rmb 5,240,000) due in December 2013, and the last installment of $429,000 (Rmb 2,625,200) due in May 2014. In December, 2012 and June 2013, the parties signed two addendums to the note agreement to delay the first repayment of $429,000 (Rmb 2,620,000) to June 2013 and June 2014, respectively. In December, 2013, the parties agreed to delay all three repayments to December 2016. As of December 31, 2013, we included $1.7 million (Rmb 10,485,20) in “Related party notes receivable – long term” in our condensed consolidated balance sheets. As of December 31, 2012, we included $1.2 million (Rmb 7,860,000) in “Related party notes receivable – short term” and $416,000 (Rmb 2,625,200) in “related party notes receivable – long term” in the consolidated balance sheets. In August 2011, our consolidated joint venture, Nanjing Jin Mei Gallium Co., Ltd. (Jin Mei) loaned $818,000 (Rmb 5,000,000) to its equity investment entity for construction purposes. During the three months ended December 31, 2012, the parties signed a note agreement retroactively to set forth the terms for the loan. The loan bears interest at 6.7% per annum, subject to adjustment to market rate, and the principal is due on December 31, 2013. Interest income of $54,000 (RMB 333,000) and $76,000 (Rmb 478,000), including retroactive interest income of $23,000 (Rmb 144,000) for 2011, were included in “other income (expense), net” in the consolidated statements of operations for the year ended December 31, 2013 and 2012, respectively. In December 2013, the repayment of the principal $818,000 (RMB 5,000,000) was received by our consolidated joint venture. As of December 31, 2013 and 2012, we included $0 and $792,000 (RMB 5,000,000) in “related party notes receivable – short term” in our consolidated balance sheets. Beginning in 2012, JiYa is contractually obligated under an agency sales agreement to sell raw material on behalf of one of its equity investment entities. Jiya bills to the customers and remits the receipts, net of its portions of sales commission, to this equity investment entity. For the year ended December 31, 2013 and 2012, JiYa has recorded $23,000 and $70,000 income from agency sales, respectively, which was included in “other income (expense), net” in the consolidated statements of operations. As of December 31, 2013 and 2012, amounts payable of $0 and $257,000, respectively, to this equity investment entity for delivery in transit were included in “accrued liabilities” in our condensed consolidated balance sheets. JiYa also purchases raw materials from one of its equity investment entities for production in the ordinary course of business. As of December 31, 2013 and 2012, payable of $1.5 million and $1.1 million were included in “accounts payable” in the consolidated balance sheets. Beginning in 2012, Jin Mei is contractually obligated under an agency sales agreement to sell raw material on behalf of its equity investment entity. Jin Mei bills to the customers and remits the receipts, net of its portions of sales commission, to this equity investment entity. For the year ended December 31, 2013 and 2012, Jin Mei has recorded $128,000 and $144,000 income from agency sales, respectively, which were included in “other income (expense), net” in the consolidated statements of operations. In March 2012, our wholly-owned subsidiary, Beijing Tongmei Xtal Technology Co., Ltd. (Tongmei), entered into an operating lease for the land it owns with our consolidated joint venture Beijing BoYu Semiconductor Vessel Craftwork Technology Co., Ltd. The lease agreement for the land with approximately 22,081 square feet commenced on January 1, 2012 for a term of 10 years with annual lease payments of $24,000 (Rmb 150,000) subject to a 5% increase at each third year anniversary. The annual lease payment is due by January 31 of each year. Our wholly-owned subsidiary, Beijing Tongmei Xtal Technology Co, Ltd., has paid $121,000 (Rmb 740,924) on behalf of Donghai County Dongfang High Purity Electronic Materials Co., Ltd. its equity investment entity, to purchase materials. As of December 31, 2013, this balance was included in "prepaid expenses and other current assets" in our condensed consolidated balance sheets. Our Related Party Transactions Policy seeks to prohibit all conflicts of interest in transactions between related parties and us, unless they have been approved by our Board of Directors. This policy applies to all of our employees and directors, our subsidiaries and our joint ventures. Our executive officers retain board seats on the Board of Directors of the companies in which we have invested in our China joint ventures. See Note 6 for further details.

Note 4. Related Party Transactions

In August 2011, our consolidated joint venture, Beijing JiYa Semiconductor Material Co., Ltd (JiYa), entered into a non-interest bearing note agreement in the amount of $1.7 million (Rmb 10,485,200) with one of its equity investment entities. Under the loan agreement, JiYa loaned $811,000 (Rmb 4,959,000) to its equity investment entity in August 2011 and the remaining amount of $904,000 (Rmb 5,526,200) was loaned during the three months ended March 31, 2012. The original term of the loan is two years and ten months and the loan is payable to JiYa in three installments with the first installment of $429,000 (Rmb 2,620,000) due in December 2012, the second installment of $857,000 (Rmb 5,240,000) due in December 2013, and the last installment of $429,000 (Rmb 2,625,200) due in May 2014. In December, 2012 and June 2013, the parties signed two addendums to the note agreement to delay the first repayment of $429,000 (Rmb 2,620,000) to June 2013 and June 2014, respectively. In December, 2013, the parties agreed to delay all three repayments to December 2016. As of December 31, 2013, we included $1.7 million (Rmb 10,485,20) in “Related party notes receivable – long term” in our condensed consolidated balance sheets. As of December 31, 2012, we included $1.2 million (Rmb 7,860,000) in “Related party notes receivable – short term” and $416,000 (Rmb 2,625,200) in “related party notes receivable – long term” in the consolidated balance sheets.

In August 2011, our consolidated joint venture, Nanjing Jin Mei Gallium Co., Ltd. (Jin Mei) loaned $818,000 (Rmb 5,000,000) to its equity investment entity for construction purposes. During the three months ended December 31, 2012, the parties signed a note agreement retroactively to set forth the terms for the loan. The loan bears interest at 6.7% per annum, subject to adjustment to market rate, and the principal is due on December 31, 2013. Interest income of $54,000 (RMB 333,000) and $76,000 (Rmb 478,000), including retroactive interest income of $23,000 (Rmb 144,000) for 2011, were included in “other income (expense), net” in the consolidated statements of operations for the year ended December 31, 2013 and 2012, respectively. In December 2013, the repayment of the principal $818,000 (RMB 5,000,000) was received by our consolidated joint venture. As of December 31, 2013 and 2012, we included $0 and $792,000 (RMB 5,000,000) in “related party notes receivable – short term” in our consolidated balance sheets. Beginning in 2012, JiYa is contractually obligated under an agency sales agreement to sell raw material on behalf of one of its equity investment entities. Jiya bills to the customers and remits the receipts, net of its portions of sales commission, to this equity investment entity. For the year ended December 31, 2013 and 2012, JiYa has recorded $23,000 and $70,000 income from agency sales, respectively, which was included in “other income (expense), net” in the consolidated statements of operations. As of December 31, 2013 and 2012, amounts payable of $0 and $257,000, respectively, to this equity investment entity for delivery in transit were included in “accrued liabilities” in our condensed consolidated balance sheets.

JiYa also purchases raw materials from one of its equity investment entities for production in the ordinary course of business. As of December 31, 2013 and 2012, payable of $1.5 million and $1.1 million were included in “accounts payable” in the consolidated balance sheets.

Beginning in 2012, Jin Mei is contractually obligated under an agency sales agreement to sell raw material on behalf of its equity investment entity. Jin Mei bills to the customers and remits the receipts, net of its portions of sales commission, to this equity investment entity. For the year ended December 31, 2013 and 2012, Jin Mei has recorded $128,000 and $144,000 income from agency sales, respectively, which were included in “other income (expense), net” in the consolidated statements of operations.

In March 2012, our wholly-owned subsidiary, Beijing Tongmei Xtal Technology Co., Ltd. (Tongmei), entered into an operating lease for the land it owns with our consolidated joint venture Beijing BoYu Semiconductor Vessel Craftwork Technology Co., Ltd. The lease agreement for the land with approximately 22,081 square feet commenced on January 1, 2012 for a term of 10 years with annual lease payments of $24,000 (Rmb 150,000) subject to a 5% increase at each third year anniversary. The annual lease payment is due by January 31 of each year.

Our wholly-owned subsidiary, Beijing Tongmei Xtal Technology Co, Ltd., has paid $121,000 (Rmb 740,924) on behalf of Donghai County Dongfang High Purity Electronic Materials Co., Ltd. its equity investment entity, to purchase materials. As of December 31, 2013, this balance was included in "prepaid expenses and other current assets" in our condensed consolidated balance sheets.

Our Related Party Transactions Policy seeks to prohibit all conflicts of interest in transactions between related parties and us, unless they have been approved by our Board of Directors. This policy applies to all of our employees and directors, our subsidiaries and our joint ventures. Our executive officers retain board seats on the Board of Directors of the companies in which we have invested in our China joint ventures. See Note 6 for further details.