3. Stock Options (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Stock Options Details
Risk free interest rate	0.75 - 1.10%	1.65 - 1.72%	0.75 - 2.31%	1.65 - 2.30 %
Dividend yield	0%	0%	0%	0%
Expected term	5 years	5 years	5-10 years	5 years
Expected volatility	62.8 %	61.7 %	62.8 - 67.9 %	61.7 - 61.9%