Net Loss Per Common Share (Tables)

6 Months Ended

Jun. 30, 2012

Net Loss Per Common Share [Abstract]

Schedule of stock options and warrants

Potential common stock equivalents excluded consist of stock options and warrants which are summarized as follows:

	June 30,
	2012		2011
Common stock options		2,195,306		2,107,429
Warrants		546,781		546,781
Total		2,742,087		2,654,210