XML 53 R42.htm IDEA: XBRL DOCUMENT v3.8.0.1
Related Party Transactions (Details)
1 Months Ended 3 Months Ended 12 Months Ended
Nov. 02, 2017
USD ($)
Nov. 30, 2017
USD ($)
Jul. 31, 2017
USD ($)
installment
Apr. 30, 2016
USD ($)
Apr. 30, 2014
USD ($)
Aug. 31, 2011
USD ($)
item
Mar. 31, 2018
USD ($)
ft²
installment
Jun. 30, 2017
USD ($)
Mar. 31, 2017
USD ($)
Dec. 31, 2017
USD ($)
Related Party Transaction [Line Items]                    
Area of leased property (in square feet) | ft²             19,467      
Nanjing JinMei Gallium Co., Ltd                    
Related Party Transaction [Line Items]                    
Estimated land and construction costs     $ 6,000,000              
Equity investment entity | Beijing JiYa Semiconductor Material Co., Ltd                    
Related Party Transaction [Line Items]                    
Ownership (as a percent)             10.00%      
Revenue from related parties             $ 0      
Equity investment entity | Related party loan | Beijing JiYa Semiconductor Material Co., Ltd                    
Related Party Transaction [Line Items]                    
Amount of transaction           $ 1,600,000        
Number of equity method investees to whom loan was granted | item           1        
Term of loan             2 years 10 months      
Number of installments | installment             3      
Equity investment entity | Related party loan | Other assets | Beijing JiYa Semiconductor Material Co., Ltd                    
Related Party Transaction [Line Items]                    
Amounts due from related party, noncurrent             $ 1,100,000     $ 1,200,000
Equity investment entity | Raw materials purchases from related party | Accounts payable | Beijing JiYa Semiconductor Material Co., Ltd                    
Related Party Transaction [Line Items]                    
Amount payable to related party             2,100,000     2,100,000
Equity investment entity | Raw materials sales to related party | Accounts receivable | Beijing JiYa Semiconductor Material Co., Ltd                    
Related Party Transaction [Line Items]                    
Amounts receivable from related party             346,000     $ 334,000
Equity investment entity | Raw material agency sales agreement | Other (expense) income, net | Nanjing JinMei Gallium Co., Ltd                    
Related Party Transaction [Line Items]                    
Other income from related party             0   $ 1,000  
Donghai County Dongfang High Purity Electronic Materials Co., Ltd | Related party loan | Beijing Tongmei Xtal Technology                    
Related Party Transaction [Line Items]                    
Amount of transaction         $ 46,000          
Interest rate (as a percent)                   6.15%
Repayment of related party notes receivable                   $ 55,000
Donghai County Dongfang High Purity Electronic Materials Co., Ltd | Raw materials purchases from related party | Beijing Tongmei Xtal Technology                    
Related Party Transaction [Line Items]                    
Repayment of related party notes receivable                   114,000
Donghai County Dongfang High Purity Electronic Materials Co., Ltd | Raw materials purchases from related party | Accounts payable | Beijing Tongmei Xtal Technology                    
Related Party Transaction [Line Items]                    
Amount payable to related party             381,000     0
Emei Shan Jiamei Materials Co., Ltd | Raw materials purchases from related party | Accounts payable | Beijing Tongmei Xtal Technology                    
Related Party Transaction [Line Items]                    
Amount payable to related party             400,000     370,000
Xilingol Tongli Germanium Co. Ltd | Raw materials purchases from related party | Accounts payable | Beijing Tongmei Xtal Technology                    
Related Party Transaction [Line Items]                    
Amount payable to related party             497,000     219,000
Beijing Kaide Quartz Co. Ltd | Raw materials purchases from related party | Accounts payable                    
Related Party Transaction [Line Items]                    
Amount payable to related party             $ 693,000     708,000
Beijing BoYu Semiconductor Vessel Craftwork Technology Co | Lease of land | Beijing Tongmei Xtal Technology                    
Related Party Transaction [Line Items]                    
Area of leased property (in square feet) | ft²             22,081      
Lease term             10 years      
Annual lease payment             $ 24,000      
Increase in annual lease payment at each third year anniversary (in hundredths)             5.00%      
Rental increase period             3 years      
Nanjing JinMei Gallium Co., Ltd | Related party loan | Beijing Tongmei Xtal Technology                    
Related Party Transaction [Line Items]                    
Amount of transaction     $ 768,000              
Number of installments | installment     3              
Interest rate (as a percent)     4.90%              
Executive officer | Related party loan | Beijing BoYu Semiconductor Vessel Craftwork Technology Co                    
Related Party Transaction [Line Items]                    
Amount of transaction   $ 318,000   $ 177,000            
Interest rate (as a percent)   2.75%   2.75%            
Repayment of related party notes receivable               $ 180,000    
Executive officer | Related party loan | Other assets | Beijing BoYu Semiconductor Vessel Craftwork Technology Co                    
Related Party Transaction [Line Items]                    
Related party notes receivable - current             $ 318,000     307,000
3rd party investor | Beijing BoYu Semiconductor Vessel Craftwork Technology Co                    
Related Party Transaction [Line Items]                    
Investments, consolidated $ 2,000,000                  
Percentage of ownership, consolidated method (in hundredths) 10.00%                  
Customer associated with third-party investor | Beijing BoYu Semiconductor Vessel Craftwork Technology Co                    
Related Party Transaction [Line Items]                    
Revenue from related parties             801,000   $ 337,000  
Customer associated with third-party investor | Accounts receivable | Beijing BoYu Semiconductor Vessel Craftwork Technology Co                    
Related Party Transaction [Line Items]                    
Amount payable to related party             $ 969,000     $ 635,000