Income Tax (Schedule of Tax Effects of Temporary Differences in Deferred Tax Assets and Liabilities) (Details) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Income Tax Schedule Of Tax Effects Of Temporary Differences In Deferred Tax Assets And Liabilities Details
Inventory impairment reserve	$ 8,419	$ 8,360
Inventory shortage	61,121	60,688
Long-term investment impairment	17,801	17,676
Total gross deferred assets	87,341	86,724
Less: Valuation allowance
Total deferred tax assets	87,341	86,724
Developed products	(30,793)	(30,575)
Deferred tax assets, net	$ 56,548	$ 56,149

The sum of the tax effects as of the balance sheet date of the amounts of all future tax deductions arising from temporary differences between tax basis and generally accepted accounting principles basis recognition of assets, liabilities, revenues and expenses, which can only be deducted for tax purposes when permitted under enacted tax laws ( before the valuation allowance, if any, to reduce such sum amount to net realizable value). Includes any tax benefit realized in deferred tax assets for significant impacts of tax planning strategies.

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The current portion of the aggregate tax effects as of the balance sheet date of all future tax deductions arising from temporary differences between tax basis and generally accepted accounting principles basis recognition of assets, liabilities, revenues and expenses, which can only be deducted for tax purposes when permitted under enacted tax laws; before the valuation allowance, if any, to reduce such amount to net realizable value. In a classified statement of financial position, an enterprise separates deferred tax liabilities and assets into a current amount and a noncurrent amount. Deferred tax liabilities and assets are classified as current or noncurrent based on the classification of the related asset or liability for financial reporting. A deferred tax liability or asset that is not related to an asset or liability for financial reporting, including deferred tax assets related to carryforwards, is classified according to the expected reversal date of the temporary difference.

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- Definition

The tax effect as of the balance sheet date of the amount of the estimated future tax deductions attributable to inventory related items which can only be realized if sufficient taxable income is generated in future periods to enable the deduction to be taken.

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- Definition

The tax effect as of the balance sheet date of the amount of the amount of the estimated future tax deductions arising from estimated impairment losses, which can only be deducted for tax purposes when impaired assets are sold or otherwise disposed of, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken.

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- Definition

The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from estimates of loss reserves, other than estimated credit losses, which can only be deducted for tax purposes when actual losses are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken.

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- Definition

The sum of the portions of deferred tax assets as of the balance sheet date for which, based on the weight of available evidence, it is more likely than not will not be realized through future reductions of tax-based income.

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- Definition

The amount as of the balance sheet date of the estimated future tax effects attributable to inventory-related costs expensed for tax purposes but capitalized in conformity with generally accepted accounting principles, which will reverse in future periods when inventory is sold but such capitalized costs cannot be deducted for tax purposes.

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