Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (unaudited)

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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (unaudited) - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Revenues:    
Revenue from contracts with customers $ 401 $ 150
Revenue recognized under units-of-revenue method 62 110
Total revenues 463 260
Operating expenses:    
Research and development 432 3,993
General and administrative 5,168 5,167
Restructuring   2,020
Total operating expenses 5,600 11,180
Loss from operations (5,137) (10,920)
Other income (expense):    
Interest expense (170) (609)
Loss on extinguishment of debt   (515)
Other income, net 1,501 1,329
Net loss and comprehensive loss (3,806) (10,715)
Deemed dividend on convertible preferred stock   (5,603)
Net loss and comprehensive loss available to common stockholders, basic and diluted $ (3,806) $ (16,318)
Basic and diluted net loss per share available to common stockholders $ (0.46) $ (2.37)
Weighted average shares used in computing basic and diluted net loss per share available to common stockholders 8,313 6,887