6. Net Loss per Common Share (Tables)

3 Months Ended

Mar. 31, 2014

Notes to Financial Statements

Loss Per share computation

	Three Month Period Ended March 31,
	2014		2013
Basic and diluted weighted average common stock shares outstanding		5,568,802		4,990,971
Potentially dilutive securities excluded from loss per share computations:
Common stock options		1,370,465		1,419,553
Common stock purchase warrants		7,428,141		551,339