7. Accrued Expenses (Details) (USD $)	Apr. 30, 2013	Dec. 31, 2012	Dec. 31, 2011
Accrued Expenses Details [Abstract]
Accrued compensation	$ 44,692	$ 50,923	$ 33,930
Accrued settlement payable			40,000
Other accrued expenses	83,877	24,989	54,373
Accrued expenses	$ 128,569	$ 75,912	$ 128,303

Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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This item represents an incentive or inducement contractually stipulated between parties to a lease whereby the lessor has committed to provide the entity (lessee) with a cash payment as inducement to enter the lease. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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