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(6) Income Taxes (Details Narrative) (USD $)	12 Months Ended
(6) Income Taxes (Details Narrative) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Federal net operating loss carryforwards expire	Expire beginning in 2030 through and 2032 if not utilized.	Expire in 2030 and 2031
Tax credit carryforwards	$ 1,200,000
Accrued interest and penalties	373,000
Research Tax Credit Carryforward
Tax credit carryforwards	600,000
Federal
Federal net operating loss carryforwards	$ 44,900,000	33,000,000

The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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- Definition

This element represents the total of accruals as of the date of the statement of financial position for interest recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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