Quarterly report pursuant to Section 13 or 15(d)

CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT)

v3.19.3
CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) - USD ($)
shares in Thousands, $ in Thousands
At-the-market offerings [Member]
Common Stock [Member]
At-the-market offerings [Member]
Additional Paid-In Capital [Member]
At-the-market offerings [Member]
Accumulated Deficit [Member]
At-the-market offerings [Member]
Preferred Stock [Member]
Common Stock [Member]
Additional Paid-In Capital [Member]
Accumulated Deficit [Member]
Total
Balance at Dec. 31, 2017         $ 0 $ 4 $ 324,124 $ (323,271) $ 857
Balance (in shares) at Dec. 31, 2017           3,534      
Net loss         0 $ 0 0 (2,605) (2,605)
Issuance of warrants to purchase common stock, net         0 0 470 0 470
Stock-based compensation         0 0 432 0 432
Balance at Mar. 31, 2018         0 $ 4 325,026 (325,876) (846)
Balance (in shares) at Mar. 31, 2018           3,534      
Balance at Dec. 31, 2017         0 $ 4 324,124 (323,271) 857
Balance (in shares) at Dec. 31, 2017           3,534      
Net loss                 (5,519)
Balance at Sep. 30, 2018         0 $ 7 334,557 (329,075) 5,489
Balance (in shares) at Sep. 30, 2018           6,561      
Balance at Mar. 31, 2018         0 $ 4 325,026 (325,876) (846)
Balance (in shares) at Mar. 31, 2018           3,534      
Net loss         0 $ 0 0 (869) (869)
Stock-based compensation         0 0 402 0 402
Balance at Jun. 30, 2018         0 $ 4 325,428 (326,745) (1,313)
Balance (in shares) at Jun. 30, 2018           3,534      
Net loss         0 $ 0 0 (2,045) (2,045)
Issuance of warrants to purchase common stock, net         0 0 51 0 51
Issuance of stock         0 $ 1 1,127 0 1,128
Issuance of stock (in shares)           850      
Issuance of preferred stock, net         $ 0   7,280 0 7,280
Issuance of preferred stock, net (in shares)         8        
Issuance of common stock upon conversion of preferred stock, net         $ 0 $ 2 (2) 0 0
Issuance of common stock upon conversion of preferred stock, net (in shares)         (8) 2,177      
Stock-based compensation         $ 0 $ 0 388 0 388
Deemed dividend resulting from down round provision         0 0 285 (285) 0
Balance at Sep. 30, 2018         $ 0 $ 7 334,557 (329,075) 5,489
Balance (in shares) at Sep. 30, 2018           6,561      
Balance at Dec. 31, 2018           $ 13 339,397 (332,579) 6,831
Balance (in shares) at Dec. 31, 2018           13,010      
Net loss           $ 0 0 (4,517) (4,517)
Issuance of common stock upon exercises of warrants, net           $ 0 605 0 605
Issuance of common stock upon exercises of warrants, net (in shares)           404      
Stock-based compensation           $ 0 136 0 136
Balance at Mar. 31, 2019           $ 13 340,138 (337,096) 3,055
Balance (in shares) at Mar. 31, 2019           13,414      
Balance at Dec. 31, 2018           $ 13 339,397 (332,579) 6,831
Balance (in shares) at Dec. 31, 2018           13,010      
Net loss                 (12,517)
Balance at Sep. 30, 2019           $ 17 342,419 (345,096) (2,660)
Balance (in shares) at Sep. 30, 2019           17,114      
Balance at Mar. 31, 2019           $ 13 340,138 (337,096) 3,055
Balance (in shares) at Mar. 31, 2019           13,414      
Net loss           $ 0 0 (5,197) (5,197)
Issuance of common stock upon exercises of warrants, net           $ 0 105 0 105
Issuance of common stock upon exercises of warrants, net (in shares)           70      
Issuance of common stock upon conversion of convertible loan           $ 1 649 0 650
Issuance of common stock upon conversion of convertible loan, (in shares)           448      
Issuance of stock $ 0 $ 466 $ 0 $ 466          
Issuance of stock (in shares) 330                
Stock-based compensation           $ 0 350 0 350
Balance at Jun. 30, 2019           $ 14 341,708 (342,293) (571)
Balance (in shares) at Jun. 30, 2019           14,262      
Net loss           $ 0 0 (2,803) (2,803)
Issuance of common stock upon exercises of warrants, net           $ 1 12 0 13
Issuance of common stock upon exercises of warrants, net (in shares)           1,372      
Issuance of stock           $ 2 571 0 573
Issuance of stock (in shares)           1,480      
Stock-based compensation           $ 0 128 0 128
Balance at Sep. 30, 2019           $ 17 $ 342,419 $ (345,096) $ (2,660)
Balance (in shares) at Sep. 30, 2019           17,114