CONDENSED CONSOLIDATED STATEMENTS OF PREFERRED STOCK AND STOCKHOLDERS' EQUITY (DEFICIT) - USD ($)
|
Preferred Stock [Member] |
Common Shares [Member] |
Additional Paid-in Capital [Member] |
Accumulated Other Comprehensive Loss [Member] |
Accumulated Deficit [Member] |
Total |
Balance at Dec. 31, 2017 |
$ 64,735,000
|
$ 0
|
$ 13,832,000
|
$ (42,000)
|
$ (108,283,000)
|
$ (94,493,000)
|
|
Balance (in shares) at Dec. 31, 2017 |
2,762,594
|
324,821
|
|
|
|
|
|
Issuance of common shares to note holder upon extension of maturity date |
$ 0
|
$ 0
|
0
|
0
|
0
|
0
|
|
Issuance of common shares to note holder upon extension of maturity date (in shares) |
0
|
327
|
|
|
|
|
|
Beneficial conversion feature upon issuance of convertible notes payable |
$ 0
|
$ 0
|
255,000
|
0
|
0
|
255,000
|
|
Issuance of warrants for common shares |
$ 0
|
$ 0
|
277,000
|
0
|
0
|
277,000
|
|
Issuance of warrants for common shares (in shares) |
0
|
0
|
|
|
|
|
|
Reclassification of warrants |
$ 0
|
$ 0
|
192,000
|
0
|
0
|
192,000
|
|
Stock compensation expense |
$ 0
|
$ 0
|
2,156,000
|
0
|
0
|
2,156,000
|
|
Stock compensation expense (in shares) |
0
|
0
|
|
|
|
|
|
Currency translation adjustment |
$ 0
|
$ 0
|
0
|
(1,000)
|
0
|
(1,000)
|
|
Net loss |
0
|
0
|
0
|
0
|
(13,308,000)
|
(13,308,000)
|
|
Balance at Mar. 31, 2018 |
$ 64,735,000
|
$ 0
|
16,712,000
|
(43,000)
|
(121,591,000)
|
(104,922,000)
|
|
Balance (in shares) at Mar. 31, 2018 |
2,762,594
|
325,148
|
|
|
|
|
|
Balance at Dec. 31, 2017 |
$ 64,735,000
|
$ 0
|
13,832,000
|
(42,000)
|
(108,283,000)
|
(94,493,000)
|
|
Balance (in shares) at Dec. 31, 2017 |
2,762,594
|
324,821
|
|
|
|
|
|
Balance at Sep. 30, 2018 |
$ 0
|
$ 2,000
|
179,396,000
|
(44,000)
|
(172,900,000)
|
6,454,000
|
|
Balance (in shares) at Sep. 30, 2018 |
0
|
15,366,327
|
|
|
|
|
|
Balance at Mar. 31, 2018 |
$ 64,735,000
|
$ 0
|
16,712,000
|
(43,000)
|
(121,591,000)
|
(104,922,000)
|
|
Balance (in shares) at Mar. 31, 2018 |
2,762,594
|
325,148
|
|
|
|
|
|
Beneficial conversion feature upon issuance of convertible notes payable |
$ 0
|
$ 0
|
410,000
|
0
|
0
|
410,000
|
|
Issuance of warrants for common shares |
$ 0
|
$ 0
|
518,000
|
0
|
0
|
518,000
|
|
Issuance of warrants for common shares (in shares) |
0
|
0
|
|
|
|
|
|
Currency translation adjustment |
$ 0
|
$ 0
|
0
|
0
|
0
|
0
|
|
Net loss |
0
|
0
|
0
|
0
|
(19,457,000)
|
(19,457,000)
|
|
Balance at Jun. 30, 2018 |
$ 64,735,000
|
$ 0
|
17,640,000
|
(43,000)
|
(141,048,000)
|
(123,451,000)
|
|
Balance (in shares) at Jun. 30, 2018 |
2,762,594
|
325,148
|
|
|
|
|
|
Release of vested restricted common stock |
$ 0
|
$ 0
|
(499,000)
|
0
|
0
|
(499,000)
|
|
Release of vested restricted common stock (in shares) |
0
|
257,281
|
|
|
|
|
|
Issuance of common stock, net of issuance costs |
$ 0
|
$ 0
|
10,272,000
|
0
|
0
|
10,272,000
|
|
Issuance of common stock, net of issuance costs (in shares) |
0
|
2,400,000
|
|
|
|
|
|
Issuance of common stock for services |
$ 0
|
$ 0
|
438,000
|
0
|
0
|
438,000
|
|
Issuance of common stock for services (shares) |
0
|
94,160
|
|
|
|
|
|
Beneficial conversion feature upon issuance of convertible notes payable |
$ 0
|
$ 0
|
1,253,000
|
0
|
0
|
1,253,000
|
|
Issuance of warrants for common shares |
$ 0
|
$ 0
|
2,843,000
|
0
|
0
|
2,843,000
|
|
Issuance of warrants for common shares (in shares) |
0
|
0
|
|
|
|
|
|
Reclassification of warrants |
$ 0
|
$ 0
|
9,118,000
|
0
|
0
|
9,118,000
|
|
Currency translation adjustment |
0
|
0
|
0
|
(1,000)
|
0
|
(1,000)
|
|
Conversion of preferred stock to common stock |
$ (64,735,000)
|
$ 0
|
64,735,000
|
0
|
0
|
64,735,000
|
|
Conversion of preferred stock to common stock (in shares) |
(2,762,594)
|
2,762,594
|
|
|
|
|
|
Issuance of common stock upon conversion of convertible notes payable |
$ 0
|
$ 2,000
|
30,449,000
|
0
|
0
|
30,451,000
|
|
Issuance of common stock upon conversion of convertible notes payable (in shares) |
0
|
9,527,144
|
|
|
|
|
|
Beneficial conversion feature upon conversion of convertible notes payable |
$ 0
|
$ 0
|
43,012,000
|
0
|
0
|
43,012,000
|
|
Issuance of warrants for vendor services |
0
|
0
|
135,000
|
0
|
0
|
135,000
|
|
Net loss |
0
|
0
|
0
|
0
|
(31,852,000)
|
(31,852,000)
|
|
Balance at Sep. 30, 2018 |
$ 0
|
$ 2,000
|
179,396,000
|
(44,000)
|
(172,900,000)
|
6,454,000
|
|
Balance (in shares) at Sep. 30, 2018 |
0
|
15,366,327
|
|
|
|
|
|
Balance at Dec. 31, 2018 |
$ 0
|
$ 2,000
|
179,501,000
|
(45,000)
|
(175,640,000)
|
3,818,000
|
[1] |
Balance (in shares) at Dec. 31, 2018 |
0
|
15,366,327
|
|
|
|
|
|
Release of vested restricted common stock |
$ 0
|
$ 0
|
(65,000)
|
0
|
0
|
(65,000)
|
|
Release of vested restricted common stock (in shares) |
0
|
123,848
|
|
|
|
|
|
Issuance of warrants for common stock for services |
$ 0
|
$ 0
|
0
|
0
|
0
|
0
|
|
Issuance of warrants for common stock for services (in shares) |
0
|
0
|
|
|
|
|
|
Currency translation adjustment |
$ 0
|
$ 0
|
0
|
(11,000)
|
0
|
(11,000)
|
|
Net loss |
0
|
0
|
0
|
0
|
(2,565,000)
|
(2,565,000)
|
|
Balance at Mar. 31, 2019 |
0
|
$ 2,000
|
179,436,000
|
(56,000)
|
(178,205,000)
|
1,177,000
|
|
Balance (in shares) at Mar. 31, 2019 |
|
15,490,175
|
|
|
|
|
|
Balance at Dec. 31, 2018 |
$ 0
|
$ 2,000
|
179,501,000
|
(45,000)
|
(175,640,000)
|
3,818,000
|
[1] |
Balance (in shares) at Dec. 31, 2018 |
0
|
15,366,327
|
|
|
|
|
|
Balance at Sep. 30, 2019 |
$ 497,000
|
$ 2,000
|
184,700,000
|
(58,000)
|
(183,737,000)
|
907,000
|
|
Balance (in shares) at Sep. 30, 2019 |
250,000
|
20,452,480
|
|
|
|
|
|
Balance at Mar. 31, 2019 |
$ 0
|
$ 2,000
|
179,436,000
|
(56,000)
|
(178,205,000)
|
1,177,000
|
|
Balance (in shares) at Mar. 31, 2019 |
|
15,490,175
|
|
|
|
|
|
Issuance of preferred stock and common stock warrant, net of issuance costs |
$ 720,000
|
$ 0
|
200,000
|
0
|
0
|
200,000
|
|
Issuance of preferred stock and common stock warrant, net of issuance costs (in shares) |
250,000
|
0
|
|
|
|
|
|
Fair value of derivative liability in connection with issuance of preferred stock |
$ (216,000)
|
$ 0
|
0
|
0
|
0
|
0
|
|
Issuance of warrants for common stock, in connection with preferred stock offering |
$ (43,000)
|
$ 0
|
43,000
|
0
|
0
|
43,000
|
|
Issuance of warrants for common stock, in connection with preferred stock offering (in shares) |
0
|
0
|
|
|
|
|
|
Accretion of preferred stock dividend |
$ 16,000
|
$ 0
|
(16,000)
|
0
|
0
|
(16,000)
|
|
Issuance of common stock, net of issuance costs |
$ 0
|
$ 0
|
4,664,000
|
0
|
0
|
4,664,000
|
|
Issuance of common stock, net of issuance costs (in shares) |
0
|
4,075,726
|
|
|
|
|
|
Issuance of common stock for services |
$ 0
|
$ 0
|
234,000
|
0
|
0
|
234,000
|
|
Issuance of common stock for services (shares) |
0
|
161,530
|
|
|
|
|
|
Currency translation adjustment |
$ 0
|
$ 0
|
0
|
(2,000)
|
0
|
(2,000)
|
|
Net loss |
0
|
0
|
0
|
0
|
(2,824,000)
|
(2,824,000)
|
|
Balance at Jun. 30, 2019 |
$ 477,000
|
$ 2,000
|
184,561,000
|
(58,000)
|
(181,029,000)
|
3,476,000
|
|
Balance (in shares) at Jun. 30, 2019 |
250,000
|
19,727,431
|
|
|
|
|
|
Release of vested restricted common stock |
$ 0
|
$ 0
|
(22,000)
|
0
|
0
|
(22,000)
|
|
Release of vested restricted common stock (in shares) |
0
|
410,279
|
|
|
|
|
|
Issuance of warrants for common stock for services |
$ 0
|
$ 0
|
46,000
|
0
|
0
|
46,000
|
|
Issuance of warrants for common stock for services (in shares) |
0
|
0
|
|
|
|
|
|
Accretion of preferred stock dividend |
$ 20,000
|
$ 0
|
(20,000)
|
0
|
0
|
(20,000)
|
|
Issuance of common stock upon warrant exercise |
$ 0
|
$ 0
|
67,000
|
0
|
0
|
67,000
|
|
Issuance of common stock upon warrant exercise |
0
|
83,520
|
|
|
|
|
|
Change in fair value of common stock warrants upon repricing |
$ 0
|
$ 0
|
46,000
|
0
|
0
|
46,000
|
|
Issuance of common stock for services |
$ 0
|
$ 0
|
12,000
|
0
|
0
|
12,000
|
|
Issuance of common stock for services (shares) |
0
|
11,250
|
|
|
|
|
|
Stock compensation expense |
$ 0
|
$ 0
|
10,000
|
0
|
0
|
10,000
|
|
Stock compensation expense (in shares) |
0
|
220,000
|
|
|
|
|
|
Net loss |
$ 0
|
$ 0
|
0
|
0
|
(2,708,000)
|
(2,708,000)
|
|
Balance at Sep. 30, 2019 |
$ 497,000
|
$ 2,000
|
$ 184,700,000
|
$ (58,000)
|
$ (183,737,000)
|
$ 907,000
|
|
Balance (in shares) at Sep. 30, 2019 |
250,000
|
20,452,480
|
|
|
|
|
|
|
|