3. Income Taxes (Details) (USD $)	Dec. 31, 2012
Details
Federal net operating loss carryforwards	$ 36,573,000
State net operating loss carryforwards	35,014,000
Net operating loss carryforwards from stock option exercises	$ 4,196,000

The sum of domestic, foreign and state and local operating loss carryforwards, before tax effects, available to reduce future taxable income under enacted tax laws, derived from the exercise of stock options.

No definition available.

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Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant