SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

6 Months Ended

Jun. 30, 2015

Common Shares Excluded from the Calculation of Net Loss Per Common Share

The following table sets forth for the periods presented the potential common shares (prior to consideration of the treasury stock method) excluded from the calculation of net loss per common share because their inclusion would be anti-dilutive, in thousands:

	At June 30,
	2015		2014
Options to purchase common stock		8,496		8,038
Unvested restricted common stock		27		23
		8,523		8,061