8. Net Loss per Common Share (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net Loss Per Common Share Details
Basic and diluted weighted average common stock shares outstanding	70,035,710	69,679,854	69,954,654	69,679,854
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