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SELECTED QUARTERLY FINANCIAL INFORMATION (UNAUDITED) (Tables)
 12 Months Ended
Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract]  
Schedule of selected quarterly financial information (unaudited)

 

 

First

 

 

Second

 

 

Third

 

 

Fourth

 

 

 

Quarter

 

 

Quarter

 

 

Quarter

 

 

Quarter

 

 

 

(In thousands, except per share amounts)

 

Year Ended December 31, 2019:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Revenues

 

$

57

 

 

$

101

 

 

$

131

 

 

$

171

 

Operating expenses

 

 

11,358

 

 

 

15,325

 

 

 

16,103

 

 

 

30,179

 

Net loss

 

 

(10,059

)

 

 

(14,239

)

 

 

(15,180

)

 

 

(29,070

)

Basic and diluted net loss per share

 

$

(0.05

)

 

$

(0.08

)

 

$

(0.08

)

 

$

(0.15

)

Year Ended December 31, 2018:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Revenues

 

$

318

 

 

$

208

 

 

$

165

 

 

$

375

 

Operating expenses

 

 

7,755

 

 

 

7,450

 

 

 

6,970

 

 

 

9,964

 

Net loss

 

 

(7,186

)

 

 

(6,934

)

 

 

(5,597

)

 

 

(7,300

)

Basic and diluted net loss per share

 

$

(0.04

)

 

$

(0.04

)

 

$

(0.03

)

 

$

(0.04

)