Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) - USD ($) $ in Thousands |
Total |
Exchange Under 3(a)(9) [Member] |
Exchange Under 4(a)(2) [Member] |
Preferred Stock [Member] |
Common Stock [Member] |
Common Stock [Member]
Exchange Under 3(a)(9) [Member]
|
Common Stock [Member]
Exchange Under 4(a)(2) [Member]
|
Additional Paid-In Capital [Member] |
Additional Paid-In Capital [Member]
Exchange Under 3(a)(9) [Member]
|
Additional Paid-In Capital [Member]
Exchange Under 4(a)(2) [Member]
|
Accumulated Other Comprehensive Loss [Member] |
Accumulated Deficit [Member] |
| Beginning Balance at Dec. 31, 2017 |
$ (2,336)
|
|
|
|
$ 1
|
|
|
$ 7,578
|
|
|
$ (129)
|
$ (9,786)
|
| Beginning Balance, shares at Dec. 31, 2017 |
|
|
|
4,408,000
|
5,781,000
|
|
|
|
|
|
|
|
| Exchange of shares in connection with reverse merger |
6,183
|
|
|
|
$ 2
|
|
|
6,181
|
|
|
|
|
| Exchange of shares in connection with reverse merger, shares |
|
|
|
(3,644,000)
|
(3,994,000)
|
|
|
|
|
|
|
|
| Sale of common and preferred stock |
1,750
|
|
|
|
|
|
|
1,750
|
|
|
|
|
| Sale of common and preferred stock, shares |
|
|
|
|
175,000
|
|
|
|
|
|
|
|
| Foreign currency translation |
(132)
|
|
|
|
|
|
|
|
|
|
(132)
|
|
| Net loss |
(2,766)
|
|
|
|
|
|
|
|
|
|
|
(2,766)
|
| Ending Balance at Mar. 31, 2018 |
2,699
|
|
|
|
$ 3
|
|
|
15,509
|
|
|
(261)
|
(12,552)
|
| Ending Balance, shares at Mar. 31, 2018 |
|
|
|
764,000
|
1,962,000
|
|
|
|
|
|
|
|
| Beginning Balance at Dec. 31, 2017 |
$ (2,336)
|
|
|
|
$ 1
|
|
|
7,578
|
|
|
(129)
|
(9,786)
|
| Beginning Balance, shares at Dec. 31, 2017 |
|
|
|
4,408,000
|
5,781,000
|
|
|
|
|
|
|
|
| Equity grant, shares |
0
|
|
|
|
|
|
|
|
|
|
|
|
| Net loss |
$ (9,441)
|
|
|
|
|
|
|
|
|
|
|
|
| Ending Balance at Sep. 30, 2018 |
13,609
|
|
|
|
$ 8
|
|
|
33,808
|
|
|
(980)
|
(19,227)
|
| Ending Balance, shares at Sep. 30, 2018 |
|
|
|
438,000
|
7,678,000
|
|
|
|
|
|
|
|
| Beginning Balance at Mar. 31, 2018 |
2,699
|
|
|
|
$ 3
|
|
|
15,509
|
|
|
(261)
|
(12,552)
|
| Beginning Balance, shares at Mar. 31, 2018 |
|
|
|
764,000
|
1,962,000
|
|
|
|
|
|
|
|
| Stock-based compensation |
200
|
|
|
|
|
|
|
200
|
|
|
|
|
| Stock-based compensation, shares |
|
|
|
|
42,000
|
|
|
|
|
|
|
|
| Sale of common and preferred stock |
3,585
|
|
|
$ 1
|
|
|
|
3,584
|
|
|
|
|
| Sale of common and preferred stock, shares |
|
|
|
298,000
|
885,000
|
|
|
|
|
|
|
|
| Conversion of preferred stock to common stock, shares |
|
|
|
(404,000)
|
404,000
|
|
|
|
|
|
|
|
| Foreign currency translation |
(656)
|
|
|
|
|
|
|
|
|
|
(656)
|
|
| Net loss |
(2,944)
|
|
|
|
|
|
|
|
|
|
|
(2,944)
|
| Ending Balance at Jun. 30, 2018 |
2,884
|
|
|
$ 1
|
$ 3
|
|
|
19,293
|
|
|
(917)
|
(15,496)
|
| Ending Balance, shares at Jun. 30, 2018 |
|
|
|
658,000
|
3,293,000
|
|
|
|
|
|
|
|
| Debt exchange |
|
$ 11,445
|
$ 1,024
|
|
|
$ 3
|
$ 1
|
|
$ 11,442
|
$ 1,023
|
|
|
| Debt exchange, shares |
|
|
|
|
|
3,110,000
|
290,000
|
|
|
|
|
|
| Unitron option exercise |
1,791
|
|
|
|
$ 1
|
|
|
1,790
|
|
|
|
|
| Unitron option exercise, shares |
|
|
|
|
625,000
|
|
|
|
|
|
|
|
| Conversion of preferred stock to common stock |
(1)
|
|
|
$ (1)
|
|
|
|
|
|
|
|
|
| Conversion of preferred stock to common stock, shares |
|
|
|
(220,000)
|
220,000
|
|
|
|
|
|
|
|
| Exercise of common stock warrants, shares |
|
|
|
|
81,000
|
|
|
|
|
|
|
|
| Equity grant |
$ 260
|
|
|
|
|
|
|
260
|
|
|
|
|
| Equity grant, shares |
0
|
|
|
|
59,000
|
|
|
|
|
|
|
|
| Foreign currency translation |
$ (63)
|
|
|
|
|
|
|
|
|
|
(63)
|
|
| Net loss |
(3,731)
|
|
|
|
|
|
|
|
|
|
|
(3,731)
|
| Ending Balance at Sep. 30, 2018 |
13,609
|
|
|
|
$ 8
|
|
|
33,808
|
|
|
(980)
|
(19,227)
|
| Ending Balance, shares at Sep. 30, 2018 |
|
|
|
438,000
|
7,678,000
|
|
|
|
|
|
|
|
| Beginning Balance at Dec. 31, 2018 |
(2,757)
|
|
|
|
$ 8
|
|
|
35,303
|
|
|
(1,011)
|
(37,057)
|
| Beginning Balance, shares at Dec. 31, 2018 |
|
|
|
322,000
|
7,793,000
|
|
|
|
|
|
|
|
| Debt exchange |
173
|
|
|
|
|
|
|
173
|
|
|
|
|
| Debt exchange, shares |
|
|
|
|
93,000
|
|
|
|
|
|
|
|
| Exercise of common stock warrants |
1,154
|
|
|
|
|
|
|
1,154
|
|
|
|
|
| Exercise of common stock warrants, shares |
|
|
|
|
382,000
|
|
|
|
|
|
|
|
| Foreign currency translation |
(35)
|
|
|
|
|
|
|
|
|
|
(35)
|
|
| Net loss |
(3,659)
|
|
|
|
|
|
|
|
|
|
|
(3,659)
|
| Ending Balance at Mar. 31, 2019 |
(5,124)
|
|
|
|
$ 8
|
|
|
36,630
|
|
|
(1,046)
|
(40,716)
|
| Ending Balance, shares at Mar. 31, 2019 |
|
|
|
322,000
|
8,268,000
|
|
|
|
|
|
|
|
| Beginning Balance at Dec. 31, 2018 |
$ (2,757)
|
|
|
|
$ 8
|
|
|
35,303
|
|
|
(1,011)
|
(37,057)
|
| Beginning Balance, shares at Dec. 31, 2018 |
|
|
|
322,000
|
7,793,000
|
|
|
|
|
|
|
|
| Equity grant, shares |
0
|
|
|
|
|
|
|
|
|
|
|
|
| Net loss |
$ (12,597)
|
|
|
|
|
|
|
|
|
|
|
|
| Ending Balance at Sep. 30, 2019 |
(11,503)
|
|
|
|
$ 9
|
|
|
39,153
|
|
|
(1,011)
|
(49,654)
|
| Ending Balance, shares at Sep. 30, 2019 |
|
|
|
25,000
|
9,246,000
|
|
|
|
|
|
|
|
| Beginning Balance at Mar. 31, 2019 |
(5,124)
|
|
|
|
$ 8
|
|
|
36,630
|
|
|
(1,046)
|
(40,716)
|
| Beginning Balance, shares at Mar. 31, 2019 |
|
|
|
322,000
|
8,268,000
|
|
|
|
|
|
|
|
| Stock-based compensation |
1,750
|
|
|
|
$ 1
|
|
|
1,749
|
|
|
|
|
| Stock-based compensation, shares |
|
|
|
|
681,000
|
|
|
|
|
|
|
|
| Issuance of warrants and beneficial conversion feature with convertible debt |
750
|
|
|
|
|
|
|
750
|
|
|
|
|
| Foreign currency translation |
1
|
|
|
|
|
|
|
|
|
|
1
|
|
| Net loss |
(5,614)
|
|
|
|
|
|
|
|
|
|
|
(5,614)
|
| Ending Balance at Jun. 30, 2019 |
(8,237)
|
|
|
|
$ 9
|
|
|
39,129
|
|
|
(1,045)
|
(46,330)
|
| Ending Balance, shares at Jun. 30, 2019 |
|
|
|
322,000
|
8,949,000
|
|
|
|
|
|
|
|
| Stock-based compensation |
$ 24
|
|
|
|
|
|
|
24
|
|
|
|
|
| Conversion of preferred stock to common stock, shares |
|
|
|
(297,000)
|
297,000
|
|
|
|
|
|
|
|
| Equity grant, shares |
0
|
|
|
|
|
|
|
|
|
|
|
|
| Foreign currency translation |
$ 34
|
|
|
|
|
|
|
|
|
|
34
|
|
| Net loss |
(3,324)
|
|
|
|
|
|
|
|
|
|
|
(3,324)
|
| Ending Balance at Sep. 30, 2019 |
$ (11,503)
|
|
|
|
$ 9
|
|
|
$ 39,153
|
|
|
$ (1,011)
|
$ (49,654)
|
| Ending Balance, shares at Sep. 30, 2019 |
|
|
|
25,000
|
9,246,000
|
|
|
|
|
|
|
|