8. Net Loss per Common Share (Tables)

6 Months Ended

Jun. 30, 2013

Notes to Financial Statements

Loss Per share computation

	Three Month Period Ended				Six Month Period Ended
	June 30,				June 30,
	2013		2012		2013		2012
Basic and diluted weighted average common stock shares outstanding		70,035,710		69,679,854		69,954,654		69,679,854
Potentially dilutive securities excluded from loss per share computations:
Common stock options		19,823,747		19,748,227		19,823,747		19,748,227
Common stock purchase warrants		7,718,750		7,718,750		7,718,750		7,718,750