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Equity (Narrative) (Details)
1 Months Ended 3 Months Ended 9 Months Ended
Dec. 31, 2015
USD ($)
entity
Dec. 31, 2015
USD ($)
shares
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Sep. 10, 2015
USD ($)
Business Acquisition [Line Items]          
Share repurchase, expiration date     Sep. 10, 2016    
Share repurchase, shares | shares   352,000      
Share repurchase, value   $ 1,800,000 $ 2,371,000    
Share repurchase, remaining authorization $ 17,600,000 $ 17,600,000 17,600,000    
Cash consideration for sale of subsidiary interest     5,617,000 $ 22,186,000  
Additional contribution injected by noncontrolling shareholders     0    
Noncontrolling Shareholders' Contribution Receivable [Member]          
Business Acquisition [Line Items]          
Share repurchase, value     0    
Additional contribution injected by noncontrolling shareholders     $ (3,735,000)    
Meitek Technology (Qingdao) Co., Ltd. [Member]          
Business Acquisition [Line Items]          
Non-controlling interest shareholders ownership percentage 30.00% 30.00% 30.00%    
Number of non-controlling interest shareholders | entity 3        
Cash consideration for purchase of subsidiary interest $ 1,500,000        
Fair value percentage 30.00%        
Fair value of acquiree $ 12,700,000 $ 12,700,000 $ 12,700,000    
Registered capital percentage 30.00%        
Subsidiary ownership percentage sold 30.00%        
Cash consideration for sale of subsidiary interest $ 3,800,000        
Qingdao Boda Fanglue Trading Co., Ltd. [Member] | Meitek Technology (Qingdao) Co., Ltd. [Member]          
Business Acquisition [Line Items]          
Subsidiary ownership percentage sold 17.00%        
Qingdao Shuofeng Equity Investment Management Limited Partnership Enterprise [Member] | Meitek Technology (Qingdao) Co., Ltd. [Member]          
Business Acquisition [Line Items]          
Subsidiary ownership percentage sold 13.00%        
Maximum [Member]          
Business Acquisition [Line Items]          
Share repurchase, amount authorized         $ 20,000,000