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Fair Value Disclosures (Tables)
3 Months Ended
Mar. 31, 2013
Fair Value Disclosures [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The following table presents fair values for those assets and liabilities measured at fair value on a recurring basis and the level within the fair value hierarchy in which the measurements fall.  No transfers among the levels within the fair value hierarchy occurred during the three months ended March 31, 2013.

 

    Fair Value
    Level   March 31, 2013     December 31,
2012
 
Investments   1   $ 251,500     $ 142,800  
Royalty Guarantee   2     (79,200 )     (79,000 )
Advance Guarantee   2     (366,900 )     (364,200 )
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block]

The fair value of the royalty and advance guarantees was calculated using the Black-Scholes Option Pricing Model with the following assumptions:

 

Term of guarantee     9 months  
Historical volatility     217.84 %
Expected dividend     None  
Risk free interest rate     0.04 %