|
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 | ||||||||||||||||||||