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Summary of Significant Accounting Policies (Details) (USD $)
 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Agreement with Tanaka Kikinzoku Kogyo K.K. (TKK) [Member]
Sep. 30, 2012
Agreement with Tanaka Kikinzoku Kogyo K.K. (TKK) [Member]
Dec. 31, 2013
Machinery and Equipment [Member]
Minimum [Member]
Dec. 31, 2013
Machinery and Equipment [Member]
Maximum [Member]
Dec. 31, 2013
Vehicles [Member]
Minimum [Member]
Dec. 31, 2013
Vehicles [Member]
Maximum [Member]
Dec. 31, 2013
Furniture and Fixtures [Member]
Minimum [Member]
Dec. 31, 2013
Furniture and Fixtures [Member]
Maximum [Member]
Dec. 31, 2013
Computer Hardware And Software [Member]
Minimum [Member]
Dec. 31, 2013
Computer Hardware And Software [Member]
Maximum [Member]
Dec. 31, 2013
Precious Metals [Member]
Dec. 31, 2012
Precious Metals [Member]
Dec. 31, 2013
Customer Concentration Risk [Member]
Sales [Member]
Dec. 31, 2013
Credit Concentration Risk [Member]
Accounts Receivable [Member]
Dec. 31, 2013
Supplier Concentration Risk [Member]
Dec. 31, 2012
Shareholder Notes Payable, Current [Member]
Dec. 31, 2013
Shareholder Notes Payable, Noncurrent [Member]
Dec. 31, 2012
Shareholder Notes Payable, Noncurrent [Member]
Dec. 31, 2013
Minimum [Member]
Dec. 31, 2013
Maximum [Member]
Summary of Significant Accounting Policies (Details) [Line Items]                                              
Equity Method Investment, Ownership Percentage                                           20.00% 50.00%
Cost Method Investment, Ownership Percentage Description below 20%                                            
Concentration Risk, Percentage                                10.00% 10.00% 10.00%          
Cash $ 3,909,000 $ 6,878,000 $ 3,471,000                                        
Allowance for Doubtful Accounts Receivable 400,000 400,000                                          
Inventory Write-down 515,000 1,279,000                                          
Inventory, Raw Materials, Gross                           100,000 800,000                
Property, Plant and Equipment, Useful Life           2 years 10 years 2 years 5 years 2 years 5 years 2 years 5 years                    
Depreciation 600,000 700,000                                          
Finite-Lived Intangible Asset, Useful Life                                           4 years 20 years
Amortization of Intangible Assets 700,000 700,000                                          
Original Contract Value         1,500,000                                    
Amended Contract Value         1,000,000                                    
Contracts Revenue       1,000,000                                      
Contract Revenue Cost       300,000                                      
Financial Instruments, Owned, at Fair Value                                     $ 100,000 $ 7,500,000 $ 7,400,000