CONDENSED CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (DEFICIT) - USD ($)
|
Preferred Stock
Convertible Preferred Stock
|
Common Shares
Shelf Offering
|
Common Shares |
Additional Paid-in Capital
Shelf Offering
|
Additional Paid-in Capital |
Accumulated Other Comprehensive Loss |
Accumulated Deficit |
Shelf Offering |
Total |
Balance at Dec. 31, 2019 |
$ 517,000
|
|
|
|
$ 188,320,000
|
$ (48,000)
|
$ (187,678,000)
|
|
$ 594,000
|
|
Balance (in shares) at Dec. 31, 2019 |
250,000
|
|
1,245,238
|
|
|
|
|
|
|
|
Issuance of warrants in connection with convertible notes payable |
|
|
|
|
630,000
|
|
|
|
630,000
|
|
Issuance of common stock and warrants, net of offering costs |
|
|
|
|
725,000
|
|
|
|
725,000
|
|
Issuance of common stock and warrants, net of offering costs (in shares) |
|
|
91,062
|
|
|
|
|
|
|
|
Issuance of common stock in connection with notes payable |
|
|
|
|
4,000
|
|
|
|
4,000
|
|
Issuance of common stock in connection with notes payable (in shares) |
|
|
500
|
|
|
|
|
|
|
|
Convertible preferred stock dividend |
$ 20,000
|
|
|
|
(20,000)
|
|
|
|
(20,000)
|
|
Stock-based compensation |
|
|
|
|
75,000
|
|
|
|
75,000
|
|
Stock-based compensation (in shares) |
|
|
2,000
|
|
|
|
|
|
|
|
Restricted stock awards cancelled (in shares) |
|
|
(550)
|
|
|
|
|
|
|
|
Release of vested restricted common stock (in shares) |
|
|
353
|
|
|
|
|
|
|
|
Net loss |
|
|
|
|
|
|
(2,680,000)
|
|
(2,680,000)
|
|
Balance at Mar. 31, 2020 |
$ 537,000
|
|
$ 0
|
|
189,734,000
|
(48,000)
|
(190,358,000)
|
|
(672,000)
|
|
Balance (in shares) at Mar. 31, 2020 |
250,000
|
|
1,338,603
|
|
|
|
|
|
|
|
Balance at Dec. 31, 2019 |
$ 517,000
|
|
|
|
188,320,000
|
(48,000)
|
(187,678,000)
|
|
594,000
|
|
Balance (in shares) at Dec. 31, 2019 |
250,000
|
|
1,245,238
|
|
|
|
|
|
|
|
Deemed dividend on exchange of convertible preferred stock for common stock |
|
|
|
|
|
|
|
|
0
|
|
Warrant Repricing |
|
|
|
|
|
|
|
|
134,000
|
|
Net loss |
|
|
|
|
|
|
|
|
(9,068,000)
|
|
Balance at Sep. 30, 2020 |
$ 577,000
|
|
$ 1,000
|
|
206,030,000
|
|
(196,746,000)
|
|
9,285,000
|
|
Balance (in shares) at Sep. 30, 2020 |
250,000
|
|
7,822,375
|
|
|
|
|
|
|
|
Balance at Dec. 31, 2019 |
$ 517,000
|
|
|
|
188,320,000
|
(48,000)
|
(187,678,000)
|
|
594,000
|
|
Balance (in shares) at Dec. 31, 2019 |
250,000
|
|
1,245,238
|
|
|
|
|
|
|
|
Balance at Dec. 31, 2020 |
$ 597,000
|
|
$ 1,000
|
|
207,698,000
|
|
(200,383,000)
|
|
7,316,000
|
[1] |
Balance (in shares) at Dec. 31, 2020 |
250,000
|
|
8,402,250
|
|
|
|
|
|
|
|
Balance at Mar. 31, 2020 |
$ 537,000
|
|
$ 0
|
|
189,734,000
|
(48,000)
|
(190,358,000)
|
|
(672,000)
|
|
Balance (in shares) at Mar. 31, 2020 |
250,000
|
|
1,338,603
|
|
|
|
|
|
|
|
Issuance of common stock, prefunded warrants and warrants, net of public offering costs |
|
|
|
|
5,515,000
|
|
|
|
5,515,000
|
|
Issuance of common stock, prefunded warrants and warrants, net of public offering costs (in shares) |
|
|
1,525,000
|
|
|
|
|
|
|
|
Proceeds from the exercise of prefunded warrants and common stock warrants |
|
|
|
|
37,000
|
|
|
|
37,000
|
|
Proceeds from the exercise of prefunded warrants and common stock warrants (in shares) |
|
|
485,000
|
|
|
|
|
|
|
|
Issuance of common stock and warrants, net of offering costs |
|
$ 1,000
|
|
$ 9,957,000
|
|
|
|
$ 9,958,000
|
|
|
Issuance of common stock and warrants, net of offering costs (in shares) |
|
4,315,000
|
|
|
|
|
|
|
|
|
Issuance of common stock in connection with settlements |
|
|
|
|
135,000
|
|
|
|
135,000
|
|
Issuance of common stock in connection with settlements (in shares) |
|
|
60,250
|
|
|
|
|
|
|
|
Convertible preferred stock dividend |
$ 20,000
|
|
|
|
(20,000)
|
|
|
|
(20,000)
|
|
Deemed dividend from warrant down-round provision |
|
|
|
|
(134,000)
|
|
|
|
(134,000)
|
|
Warrant Repricing |
|
|
|
|
134,000
|
|
|
|
134,000
|
|
Stock-based compensation |
|
|
|
|
72,000
|
|
|
|
72,000
|
|
Stock-based compensation (in shares) |
|
|
2,000
|
|
|
|
|
|
|
|
Restricted stock awards cancelled (in shares) |
|
|
(2,500)
|
|
|
|
|
|
|
|
Gain On Foreign Currency Translation On Subsidiary |
|
|
|
|
|
$ 48,000
|
|
|
48,000
|
|
Net loss |
|
|
|
|
|
|
(3,398,000)
|
|
(3,398,000)
|
|
Balance at Jun. 30, 2020 |
$ 557,000
|
|
$ 1,000
|
|
205,430,000
|
|
(193,756,000)
|
|
11,675,000
|
|
Balance (in shares) at Jun. 30, 2020 |
250,000
|
|
7,723,353
|
|
|
|
|
|
|
|
June 2020 shelf offering - issuance costs |
|
|
|
|
(42,000)
|
|
|
|
(42,000)
|
|
Convertible preferred stock dividend |
$ 20,000
|
|
|
|
(20,000)
|
|
|
|
(20,000)
|
|
Deemed dividend on exchange of convertible preferred stock for common stock |
|
|
|
|
|
|
|
|
0
|
|
Stock-based compensation |
|
|
|
|
662,000
|
|
|
|
662,000
|
|
Stock-based compensation (in shares) |
|
|
98,669
|
|
|
|
|
|
|
|
Release of vested restricted common stock (in shares) |
|
|
353
|
|
|
|
|
|
|
|
Net loss |
|
|
|
|
|
|
(2,990,000)
|
|
(2,990,000)
|
|
Balance at Sep. 30, 2020 |
$ 577,000
|
|
$ 1,000
|
|
206,030,000
|
|
(196,746,000)
|
|
9,285,000
|
|
Balance (in shares) at Sep. 30, 2020 |
250,000
|
|
7,822,375
|
|
|
|
|
|
|
|
Balance at Dec. 31, 2020 |
$ 597,000
|
|
$ 1,000
|
|
207,698,000
|
|
(200,383,000)
|
|
7,316,000
|
[1] |
Balance (in shares) at Dec. 31, 2020 |
250,000
|
|
8,402,250
|
|
|
|
|
|
|
|
Issuance of common stock upon warrant exercise, net of issuance costs |
|
|
|
|
5,095,000
|
|
|
|
5,095,000
|
|
Issuance of common stock upon warrant exercise, net of issuance costs (in shares) |
0
|
|
2,086,251
|
|
|
|
|
|
|
|
Issuance of warrants in connection with convertible notes payable |
$ 0
|
|
|
|
|
|
|
|
|
|
Warrants issued in connection with warrant exercise |
|
|
|
|
567,000
|
|
|
|
567,000
|
|
Convertible preferred stock dividend |
$ 20,000
|
|
|
|
(20,000)
|
|
|
|
(20,000)
|
|
Stock-based compensation |
|
|
|
|
254,000
|
|
|
|
254,000
|
|
Stock-based compensation (in shares) |
0
|
|
643,700
|
|
|
|
|
|
|
|
Release of vested restricted common stock (in shares) |
|
|
352
|
|
|
|
|
|
|
|
Net loss |
|
|
|
|
|
|
(3,292,000)
|
|
(3,292,000)
|
|
Balance at Mar. 31, 2021 |
$ 617,000
|
|
$ 1,000
|
|
213,594,000
|
|
(203,675,000)
|
|
9,920,000
|
|
Balance (in shares) at Mar. 31, 2021 |
250,000
|
|
11,132,553
|
|
|
|
|
|
|
|
Balance at Dec. 31, 2020 |
$ 597,000
|
|
$ 1,000
|
|
207,698,000
|
|
(200,383,000)
|
|
7,316,000
|
[1] |
Balance (in shares) at Dec. 31, 2020 |
250,000
|
|
8,402,250
|
|
|
|
|
|
|
|
Deemed dividend on exchange of convertible preferred stock for common stock |
|
|
|
|
|
|
|
|
(1,192,000)
|
|
Warrant Repricing |
|
|
|
|
|
|
|
|
0
|
|
Net loss |
|
|
|
|
|
|
|
|
(8,751,000)
|
|
Balance at Sep. 30, 2021 |
|
|
$ 2,000
|
|
228,128,000
|
|
(209,134,000)
|
|
18,996,000
|
|
Balance (in shares) at Sep. 30, 2021 |
|
|
15,803,940
|
|
|
|
|
|
|
|
Balance at Mar. 31, 2021 |
$ 617,000
|
|
$ 1,000
|
|
213,594,000
|
|
(203,675,000)
|
|
9,920,000
|
|
Balance (in shares) at Mar. 31, 2021 |
250,000
|
|
11,132,553
|
|
|
|
|
|
|
|
Issuance of common stock upon warrant exercise, net of issuance costs |
|
|
|
|
3,159,000
|
|
|
|
3,159,000
|
|
Issuance of common stock upon warrant exercise, net of issuance costs (in shares) |
|
|
1,360,244
|
|
|
|
|
|
|
|
Issuance of common stock in connection with notes payable |
|
|
|
|
|
|
|
|
1,640,000
|
|
Warrants issued in connection with warrant exercise |
|
|
|
|
579,000
|
|
|
|
579,000
|
|
Convertible preferred stock dividend |
$ 14,000
|
|
|
|
(14,000)
|
|
|
|
(14,000)
|
|
Exchange of convertible preferred stock for common stock |
$ (631,000)
|
|
|
|
1,640,000
|
|
|
|
|
|
Exchange of convertible preferred stock for common stock (in shares) |
(250,000)
|
|
250,000
|
|
|
|
|
|
|
|
Warrants issued upon exchange of preferred stock for common stock |
|
|
|
|
570,000
|
|
|
|
570,000
|
|
Deemed dividend on exchange of convertible preferred stock for common stock |
|
|
|
|
(1,192,000)
|
|
|
|
(1,192,000)
|
|
Stock-based compensation |
|
|
|
|
335,000
|
|
|
|
335,000
|
|
Stock-based compensation (in shares) |
|
|
10,000
|
|
|
|
|
|
|
|
Issuance of common stock to vendor |
|
|
|
|
34,000
|
|
|
|
34,000
|
|
Issuance of common stock to vendor (in shares) |
|
|
10,000
|
|
|
|
|
|
|
|
Net loss |
|
|
|
|
|
|
(3,398,000)
|
|
(3,398,000)
|
|
Balance at Jun. 30, 2021 |
|
|
$ 1,000
|
|
218,705,000
|
|
(207,073,000)
|
|
11,633,000
|
|
Balance (in shares) at Jun. 30, 2021 |
|
|
12,762,797
|
|
|
|
|
|
|
|
Issuance of common stock upon warrant exercise, net of issuance costs |
|
|
|
|
49,000
|
|
|
|
49,000
|
|
Issuance of common stock upon warrant exercise, net of issuance costs (in shares) |
|
|
19,000
|
|
|
|
|
|
|
|
Registered direct offering, net of issuance costs |
|
|
$ 1,000
|
|
9,025,000
|
|
|
|
9,026,000
|
|
Registered direct offering, net of issuance costs (in shares) |
|
|
2,500,000
|
|
|
|
|
|
|
|
Deemed dividend on exchange of convertible preferred stock for common stock |
|
|
|
|
|
|
|
|
0
|
|
Stock-based compensation |
|
|
|
|
349,000
|
|
|
|
349,000
|
|
Stock-based compensation (in shares) |
|
|
320,800
|
|
|
|
|
|
|
|
Release of vested restricted common stock (in shares) |
|
|
201,343
|
|
|
|
|
|
|
|
Net loss |
|
|
|
|
|
|
(2,061,000)
|
|
(2,061,000)
|
|
Balance at Sep. 30, 2021 |
|
|
$ 2,000
|
|
$ 228,128,000
|
|
$ (209,134,000)
|
|
$ 18,996,000
|
|
Balance (in shares) at Sep. 30, 2021 |
|
|
15,803,940
|
|
|
|
|
|
|
|
|
|