9. Net Loss per Common Share (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Net Loss Per Common Share Details
Basic and diluted weighted average common stock shares outstanding	12,010,361	5,004,253	8,807,376	4,998,527
Potentially dilutive securities excluded from loss per share computations:
Common stock options	1,367,465	1,415,982	1,367,465	1,415,982
Common stock purchase warrants	$ 7,428,141	$ 551,339	$ 7,428,141	$ 551,339