As of December 31, 2014 and 2013, the following financial instruments were not included in the diluted loss per share calculation because their effect was anti-dilutive:

 

		2014			2013
Common Stock options			3,628,000			2,305,000
Common Stock warrants			1,980,318			1,980,318
Unvested Restricted Stock			—			1,445,000
Preferred Stock			14,999,000			14,999,000
Contingency shares			2,166,667			2,166,667
Excluded potentially dilutive securities			22,773,985			22,895,985