Net Loss Per Common Share (Tables)

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

Potential common shares outstanding as of June 30, 2014 and 2013:

	June 30, 2014		June 30, 2013
Warrants		3,224,000		2,435,000
Options		2,579,000		3,727,000