Note 11. Warrants (Tables)

6 Months Ended

Jun. 30, 2012

	June 30, 2012			December 31, 2011
Risk-free interest rate		0.73	%		0.83	%
Expected volatility		72.58	%		75.17	%
Expected life (in years)		1.25			1.6
Expected forfeiture rate		0.0	%		0.0	%
Expected dividend yield		0.00	%		0.00	%

Schedule of Common Stock Warranty Liability [Table Text Block]

Beginning balance, January 1, 2012	$	166,398
Issuances		-
Loss from the adjustment for the change in fair value included in net loss		369,723
Ending balance, June 30, 2012	$	536,121