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Income Taxes - Valuation Allowance for deferred tax assets (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Valuation Allowance for deferred tax assets	$ 1,460,000	$ 1,226,000	$ 583,000

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- Definition

The amount of the valuation allowance recorded as of the balance sheet date pertaining to the specified deferred tax asset for which an assessment was made that it is more likely than not that all or a portion of such deferred tax asset will not be realized through related deductions on future tax returns.

+ References

No definition available.

+ Details

Name:	fil_ValuationAllowanceForDeferredTaxAssets
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant