Consolidated Statements Of Redeemable Preferred Stock and Stockholders' Equity (Unaudited) - USD ($) $ in Thousands |
Total |
Series E Convertible Preferred Stock |
Series F Convertible Preferred Stock |
July 2020 Warrants |
June 2020 Warrants |
Common Stock |
Common Stock
Series E Convertible Preferred Stock
|
Common Stock
Series F Convertible Preferred Stock
|
Common Stock
June 2020 Warrants
|
Additional Paid-in Capital |
Additional Paid-in Capital
Series E Convertible Preferred Stock
|
Additional Paid-in Capital
Series F Convertible Preferred Stock
|
Additional Paid-in Capital
July 2020 Warrants
|
Additional Paid-in Capital
June 2020 Warrants
|
Convertible Preferred Stock |
Convertible Preferred Stock
Series F Convertible Preferred Stock
|
Accumulated Other Comprehensive Loss |
Accumulated Deficit |
Mezzanine Equity
Series E Convertible Preferred Stock
|
Beginning balance at Dec. 31, 2019 |
$ 377
|
|
|
|
|
$ 31
|
|
|
|
$ 235,594
|
|
|
|
|
|
|
$ (701)
|
$ (234,547)
|
|
Beginning balance at Dec. 31, 2019 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 3,965
|
Beginning balance, shares at Dec. 31, 2019 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
70,000
|
Balance (in shares) at Dec. 31, 2019 |
|
|
|
|
|
31,459,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Issuance of convertible preferred stock in rights offering, net of offering costs |
|
|
$ 2,411
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 2,411
|
|
|
|
Issuance of convertible preferred stock in rights offering, net of offering costs, shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
18,000
|
|
|
|
Beneficial conversion on Convertible Preferred Stock |
|
|
|
|
|
|
|
|
|
|
|
$ 2,700
|
|
|
|
$ (2,700)
|
|
|
|
Conversion of convertible preferred stock |
|
$ 3,965
|
|
|
|
|
$ 7
|
$ 43
|
|
|
$ 3,958
|
16,905
|
|
|
|
$ (16,948)
|
|
|
$ (3,965)
|
Conversion of convertible preferred stock, shares |
|
|
|
|
|
|
6,957,000
|
42,370,000
|
|
|
|
|
|
|
|
(17,000)
|
|
|
(70,000)
|
Sale of common stock |
3,872
|
|
|
|
|
$ 11
|
|
|
|
3,861
|
|
|
|
|
|
|
|
|
|
Sale of common stock, shares |
|
|
|
|
|
10,800,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Sale of common stock warrants |
3,031
|
|
|
$ 9,450
|
|
|
|
|
|
3,031
|
|
|
$ 9,450
|
|
|
|
|
|
|
Issuance of restricted shares |
164
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Deemed Dividend on Convertible Preferred Stock |
(17,378)
|
|
|
|
|
|
|
|
|
|
|
(17,378)
|
|
|
|
$ 17,378
|
|
|
|
Stock offering costs |
(856)
|
|
|
|
|
|
|
|
|
(856)
|
|
|
|
|
|
|
|
|
|
Stock-based compensation |
1,846
|
|
|
|
|
|
|
|
|
1,846
|
|
|
|
|
|
|
|
|
|
Warrants issued in connection with debt instruments |
67
|
|
|
|
|
|
|
|
|
67
|
|
|
|
|
|
|
|
|
|
Issuance of stock from RSUs, net |
162
|
|
|
|
|
$ 1
|
|
|
|
161
|
|
|
|
|
|
|
|
|
|
Issuance of stock from RSUs, net, shares |
|
|
|
|
|
1,297,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercise of common stock warrants |
|
|
|
|
$ 46
|
|
|
|
|
|
|
|
|
$ 46
|
|
|
|
|
|
Exercise of common stock warrants, shares |
|
|
|
|
|
|
|
|
116,000
|
|
|
|
|
|
|
|
|
|
|
Net loss |
(10,687)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(10,687)
|
|
Foreign currency translation adjustments |
167
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
167
|
|
|
Ending balance at Sep. 30, 2020 |
13,851
|
|
|
|
|
$ 93
|
|
|
|
259,385
|
|
|
|
|
$ 141
|
|
(534)
|
(245,234)
|
|
Balance (in shares) at Sep. 30, 2020 |
|
|
|
|
|
92,999,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ending balance, shares at Sep. 30, 2020 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,000
|
|
|
|
|
Beginning balance at Dec. 31, 2019 |
377
|
|
|
|
|
$ 31
|
|
|
|
235,594
|
|
|
|
|
|
|
(701)
|
(234,547)
|
|
Beginning balance at Dec. 31, 2019 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 3,965
|
Beginning balance, shares at Dec. 31, 2019 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
70,000
|
Balance (in shares) at Dec. 31, 2019 |
|
|
|
|
|
31,459,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Sale of common stock, shares |
|
|
17,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ending balance at Dec. 31, 2020 |
$ 10,028
|
|
|
|
|
$ 98
|
|
|
|
261,573
|
|
|
|
|
|
$ 118
|
(385)
|
(251,376)
|
|
Balance (in shares) at Dec. 31, 2020 |
97,709,000
|
|
|
|
|
97,709,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ending balance, shares at Dec. 31, 2020 |
0
|
|
882
|
|
|
|
|
|
|
|
|
|
|
|
|
1,000
|
|
|
|
Beginning balance at Jun. 30, 2020 |
$ 1,308
|
|
|
|
|
$ 50
|
|
|
|
247,149
|
|
|
|
|
|
|
(645)
|
(245,246)
|
|
Balance (in shares) at Jun. 30, 2020 |
|
|
|
|
|
50,322,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Issuance of convertible preferred stock in rights offering, net of offering costs |
|
|
$ 2,411
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 2,411
|
|
|
|
Issuance of convertible preferred stock in rights offering, net of offering costs, shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
18,000
|
|
|
|
Beneficial conversion on Convertible Preferred Stock |
|
|
|
|
|
|
|
|
|
|
|
2,700
|
|
|
|
$ (2,700)
|
|
|
|
Conversion of convertible preferred stock |
|
|
|
|
|
|
|
$ 43
|
|
|
|
16,905
|
|
|
|
$ (16,948)
|
|
|
|
Conversion of convertible preferred stock, shares |
|
|
|
|
|
|
|
42,370,000
|
|
|
|
|
|
|
|
(17,000)
|
|
|
|
Sale of common stock warrants |
|
|
|
$ 9,450
|
|
|
|
|
|
|
|
|
$ 9,450
|
|
|
|
|
|
|
Deemed Dividend on Convertible Preferred Stock |
(17,378)
|
|
|
|
|
|
|
|
|
|
|
$ (17,378)
|
|
|
|
$ 17,378
|
|
|
|
Stock-based compensation |
513
|
|
|
|
|
|
|
|
|
513
|
|
|
|
|
|
|
|
|
|
Issuance of stock from RSUs, net, shares |
|
|
|
|
|
191,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercise of common stock warrants |
|
|
|
|
$ 46
|
|
|
|
|
|
|
|
|
$ 46
|
|
|
|
|
|
Exercise of common stock warrants, shares |
|
|
|
|
|
|
|
|
116,000
|
|
|
|
|
|
|
|
|
|
|
Net loss |
12
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
12
|
|
Foreign currency translation adjustments |
111
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
111
|
|
|
Ending balance at Sep. 30, 2020 |
13,851
|
|
|
|
|
$ 93
|
|
|
|
259,385
|
|
|
|
|
$ 141
|
|
(534)
|
(245,234)
|
|
Balance (in shares) at Sep. 30, 2020 |
|
|
|
|
|
92,999,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ending balance, shares at Sep. 30, 2020 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,000
|
|
|
|
|
Beginning balance at Dec. 31, 2020 |
$ 10,028
|
|
|
|
|
$ 98
|
|
|
|
261,573
|
|
|
|
|
|
$ 118
|
(385)
|
(251,376)
|
|
Beginning balance, shares at Dec. 31, 2020 |
0
|
|
882
|
|
|
|
|
|
|
|
|
|
|
|
|
1,000
|
|
|
|
Balance (in shares) at Dec. 31, 2020 |
97,709,000
|
|
|
|
|
97,709,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Conversion of convertible preferred stock |
|
|
|
|
|
$ 2
|
|
|
|
628
|
|
|
|
|
|
$ (630)
|
|
|
|
Conversion of convertible preferred stock, shares |
|
|
|
|
|
1,577,000
|
|
|
|
|
|
|
|
|
|
(1,000)
|
|
|
|
Sale of common stock |
$ 13,291
|
|
|
|
|
$ 14
|
|
|
|
13,277
|
|
|
|
|
|
|
|
|
|
Sale of common stock, shares |
|
|
18,000
|
|
|
14,000,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercise of stock option Shares |
176,000
|
|
|
|
|
176,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercise of stock option |
$ 66
|
|
|
|
|
|
|
|
|
66
|
|
|
|
|
|
|
|
|
|
Issuance of restricted shares, Shares |
|
|
|
|
|
260,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Issuance of restricted shares |
|
|
|
|
|
|
|
|
|
164
|
|
|
|
|
|
|
|
|
|
Issuance of common stock for settlement of liability |
510
|
|
|
|
|
$ 1
|
|
|
|
509
|
|
|
|
|
|
|
|
|
|
Issuance of common stock for settlement of liability, Shares |
|
|
|
|
|
500,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Deemed Dividend on Convertible Preferred Stock |
(546)
|
|
|
|
|
|
|
|
|
(546)
|
|
|
|
|
|
$ 546
|
|
|
|
Stock-based compensation |
2,253
|
|
|
|
|
|
|
|
|
2,253
|
|
|
|
|
|
|
|
|
|
Issuance of stock from RSUs, net |
|
|
|
|
|
$ 3
|
|
|
|
(3)
|
|
|
|
|
|
|
|
|
|
Issuance of stock from RSUs, net, shares |
|
|
|
|
|
3,381,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercise of common stock warrants |
15,062
|
|
|
|
|
$ 35
|
|
|
|
15,027
|
|
|
|
|
|
|
|
|
|
Exercise of common stock warrants, shares |
|
|
|
|
|
35,719,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net loss |
(10,879)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(10,879)
|
|
Foreign currency translation adjustments |
(173)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(173)
|
|
|
Ending balance at Sep. 30, 2021 |
$ 30,322
|
|
|
|
|
$ 153
|
|
|
|
292,948
|
|
|
|
|
|
34
|
(558)
|
(262,255)
|
|
Balance (in shares) at Sep. 30, 2021 |
153,322,000
|
|
|
|
|
153,322,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ending balance, shares at Sep. 30, 2021 |
0
|
|
251
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Beginning balance at Jun. 30, 2021 |
$ 33,256
|
|
|
|
|
$ 151
|
|
|
|
292,517
|
|
|
|
|
|
35
|
(468)
|
(258,979)
|
|
Balance (in shares) at Jun. 30, 2021 |
|
|
|
|
|
151,236,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Conversion of convertible preferred stock |
|
|
|
|
|
|
|
|
|
10
|
|
|
|
|
|
(10)
|
|
|
|
Conversion of convertible preferred stock, shares |
|
|
|
|
|
25,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercise of stock option Shares |
|
|
|
|
|
176,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercise of stock option |
$ 66
|
|
|
|
|
|
|
|
|
66
|
|
|
|
|
|
|
|
|
|
Issuance of restricted shares, Shares |
260,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Issuance of restricted shares |
$ 164
|
|
|
|
|
|
|
|
|
164
|
|
|
|
|
|
|
|
|
|
Deemed Dividend on Convertible Preferred Stock |
(9)
|
|
|
|
|
|
|
|
|
(9)
|
|
|
|
|
|
9
|
|
|
|
Stock-based compensation |
192
|
|
|
|
|
|
|
|
|
192
|
|
|
|
|
|
|
|
|
|
Issuance of stock from RSUs, net |
|
|
|
|
|
$ 2
|
|
|
|
(2)
|
|
|
|
|
|
|
|
|
|
Issuance of stock from RSUs, net, shares |
|
|
|
|
|
1,600,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercise of common stock warrants |
10
|
|
|
|
|
|
|
|
|
10
|
|
|
|
|
|
|
|
|
|
Exercise of common stock warrants, shares |
|
|
|
|
|
25,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net loss |
(3,276)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(3,276)
|
|
Foreign currency translation adjustments |
(90)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(90)
|
|
|
Ending balance at Sep. 30, 2021 |
$ 30,322
|
|
|
|
|
$ 153
|
|
|
|
$ 292,948
|
|
|
|
|
|
$ 34
|
$ (558)
|
$ (262,255)
|
|
Balance (in shares) at Sep. 30, 2021 |
153,322,000
|
|
|
|
|
153,322,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ending balance, shares at Sep. 30, 2021 |
0
|
|
251
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|