9. Net Loss per Common Share (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Basic and diluted weighted average common stock shares outstanding	12,144,776	12,010,361	12,122,667	8,807,376
Common stock options
Potentially dilutive securities excluded from loss per share computations:	2,601,652	1,367,465	2,601,652	1,367,465
Common stock purchase warrants
Potentially dilutive securities excluded from loss per share computations:	7,428,141	7,428,141	7,428,141	7,428,141