XML 37 R33.htm IDEA: XBRL DOCUMENT

LOSS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2019

Schedule of Potentially Dilutive Securities

The following potentially dilutive securities outstanding as of December 31, 2019, 2018 and 2017 have been excluded from the denominator of the diluted loss per share of common stock outstanding calculation (in thousands):



	December 31,
	2019	2018	2017
Warrants	22,895	9,258	10,055
Stock options	6,236	3,942	2,696
Non-vested restricted stock awards	—	—	4
	29,131	13,200	12,755