STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
|
Common Stock |
Additional paid-in capital |
Treasury stocks |
Accumulated Deficit |
Total |
| Balance at Dec. 31, 2020 |
$ 12,000
|
[1] |
$ 184,655,000
|
$ (116,000)
|
$ (149,087,000)
|
$ 35,464,000
|
| Balance (in shares) at Dec. 31, 2020 |
35,159,977
|
|
|
|
|
|
| Stock-based compensation related to stock and options granted to directors and employees |
|
|
290,000
|
0
|
0
|
290,000
|
| Stock-based compensation related to stock and options granted to directors and employees (in shares) |
0
|
|
|
|
|
|
| Issuance of shares in at-the-market (ATM) offering (Note 7) |
|
|
7,104,000
|
|
|
7,104,000
|
| Issuance of shares in at-the-market (ATM) offering (Note 7) (in shares) |
1,156,897
|
|
|
|
|
|
| Exercise of options |
|
|
5,000
|
0
|
|
5,000
|
| Exercise of options (in shares) |
1,687
|
|
|
|
|
|
| Net loss |
|
|
|
|
(6,662,000)
|
(6,662,000)
|
| Balance at Mar. 31, 2021 |
$ 12,000
|
[1] |
192,054,000
|
(116,000)
|
(155,749,000)
|
36,201,000
|
| Balance (in shares) at Mar. 31, 2021 |
36,318,561
|
|
|
|
|
|
| Balance at Dec. 31, 2021 |
$ 12,000
|
[1] |
192,990,000
|
(116,000)
|
(173,544,000)
|
19,342,000
|
| Balance (in shares) at Dec. 31, 2021 |
36,401,413
|
|
|
|
|
|
| Stock-based compensation related to stock and options granted to directors and employees |
|
|
505,000
|
|
0
|
505,000
|
| Stock-based compensation related to stock and options granted to directors and employees (in shares) |
84,767
|
|
|
|
|
|
| Net loss |
$ 0
|
|
0
|
|
(5,360,000)
|
(5,360,000)
|
| Balance at Mar. 31, 2022 |
$ 12,000
|
[1] |
$ 193,495,000
|
$ (116,000)
|
$ (178,904,000)
|
$ 14,487,000
|
| Balance (in shares) at Mar. 31, 2022 |
36,486,180
|
|
|
|
|
|
|
|