Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($)
$ in Thousands |
Additional Paid-in Capital [Member] |
AOCI Attributable to Parent [Member] |
Retained Earnings [Member] |
Total |
| Balance at Dec. 31, 2017 |
$ 41,033
|
|
$ (40,234)
|
|
| Issuance of common shares and warrants, net offering costs of $529 |
5,840
|
|
|
|
| Exercise of common share purchase warrants |
645
|
|
|
|
| Exercise of stock options |
43
|
|
|
|
| Share-based compensation |
555
|
|
|
|
| Balance at Sep. 30, 2018 |
48,116
|
|
(44,006)
|
$ 4,110
|
| Unrealized gain (loss) on marketable securities |
|
|
|
|
| Net loss |
|
|
(3,772)
|
(3,772)
|
| Balance at Jun. 30, 2018 |
47,974
|
|
(42,619)
|
|
| Issuance of common shares and warrants, net offering costs of $529 |
|
|
|
|
| Exercise of common share purchase warrants |
32
|
|
|
|
| Exercise of stock options |
|
|
|
|
| Share-based compensation |
110
|
|
|
|
| Balance at Sep. 30, 2018 |
48,116
|
|
(44,006)
|
4,110
|
| Unrealized gain (loss) on marketable securities |
|
|
|
|
| Net loss |
|
|
(1,387)
|
(1,387)
|
| Balance at Dec. 31, 2018 |
62,993
|
|
(45,968)
|
17,025
|
| Issuance of common shares and warrants, net offering costs of $529 |
|
|
|
|
| Exercise of common share purchase warrants |
|
|
|
|
| Exercise of stock options |
75
|
|
|
|
| Share-based compensation |
763
|
|
|
|
| Balance at Sep. 30, 2019 |
63,831
|
6
|
(54,137)
|
9,700
|
| Unrealized gain (loss) on marketable securities |
|
6
|
|
6
|
| Net loss |
|
|
(8,169)
|
(8,169)
|
| Balance at Jun. 30, 2019 |
63,380
|
11
|
(51,689)
|
|
| Issuance of common shares and warrants, net offering costs of $529 |
|
|
|
|
| Exercise of common share purchase warrants |
|
|
|
|
| Exercise of stock options |
|
|
|
|
| Share-based compensation |
451
|
|
|
|
| Balance at Sep. 30, 2019 |
$ 63,831
|
6
|
(54,137)
|
9,700
|
| Unrealized gain (loss) on marketable securities |
|
$ (5)
|
|
(5)
|
| Net loss |
|
|
$ (2,448)
|
$ (2,448)
|