Note 6. Fair Value of Measurements (Tables)

9 Months Ended

Sep. 30, 2012

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	Total Fair Value on the Balance Sheet		Quoted Prices In Active Markets For Identical Assets/Liabilities(Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
As of September 30, 2012
Short-term investments available for sale
Bonds – corporate issuances	$	14,091,590	$	14,091,590	$	−	$	−
Equity Securities		137,591		–		–		137,591
As of December 31, 2011
Short-term investments available for sale
Bonds – corporate issuances	$	10,157,160	$	10,157,160	$	−	$	−
Equity Securities		–		–		–		–
Liabilities:
As of September 30, 2012
Common stock warrant liability	$	1,417,248	$	−	$	−	$	1,417,248
As of December 31, 2011
Common stock warrant liability	$	166,398	$	−	$	−	$	166,398