CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands |
Preferred Stock
8.625% Series A Cumulative, Perpetual Preferred Stock
|
Preferred Stock
8.375% Series B Cumulative, Perpetual Preferred Stock
|
Preferred Stock
Convertible preferred stock
|
Common Stock |
Additional Paid-In Capital |
Accumulated Deficit |
Total |
Balance at beginning of period at Dec. 31, 2020 |
$ 49
|
|
|
$ 84
|
$ 1,267,377
|
$ (1,181,086)
|
$ 86,424
|
Balance at beginning of period (in shares) at Dec. 31, 2020 |
984,000
|
|
5,000
|
11,229,000
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
Exercise of stock options |
|
|
|
|
388
|
|
388
|
Exercise of stock options (in shares) |
|
|
|
24,000
|
|
|
|
Exercise of common stock warrants (in shares) |
|
|
|
5,000
|
|
|
|
Issuance of common stock related to 401(k) contribution |
|
|
|
|
90
|
|
90
|
Issuance of common stock related to 401(k) contribution (in shares) |
|
|
|
2,000
|
|
|
|
Stock-based compensation expense |
|
|
|
|
2,898
|
|
2,898
|
Preferred stock dividends |
|
|
|
|
(707)
|
|
(707)
|
Net loss and comprehensive loss |
|
|
|
|
|
(7,373)
|
(7,373)
|
Balance at end of period at Mar. 31, 2021 |
$ 49
|
|
|
$ 84
|
1,270,046
|
(1,188,459)
|
81,720
|
Balance at end of period (in shares) at Mar. 31, 2021 |
984,000
|
|
5,000
|
11,260,000
|
|
|
|
Balance at beginning of period at Dec. 31, 2020 |
$ 49
|
|
|
$ 84
|
1,267,377
|
(1,181,086)
|
86,424
|
Balance at beginning of period (in shares) at Dec. 31, 2020 |
984,000
|
|
5,000
|
11,229,000
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
Net loss and comprehensive loss |
|
|
|
|
|
|
(14,046)
|
Balance at end of period at Sep. 30, 2021 |
$ 49
|
|
|
$ 85
|
1,306,582
|
(1,195,132)
|
111,584
|
Balance at end of period (in shares) at Sep. 30, 2021 |
984,000
|
2,000
|
5,000
|
11,311,000
|
|
|
|
Balance at beginning of period at Mar. 31, 2021 |
$ 49
|
|
|
$ 84
|
1,270,046
|
(1,188,459)
|
81,720
|
Balance at beginning of period (in shares) at Mar. 31, 2021 |
984,000
|
|
5,000
|
11,260,000
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
Exercise of stock options |
|
|
|
$ 1
|
593
|
|
594
|
Exercise of stock options (in shares) |
|
|
|
49,000
|
|
|
|
Issuance of common stock related to ESPP |
|
|
|
|
17
|
|
17
|
Issuance of common stock related to ESPP (in shares) |
|
|
|
1,000
|
|
|
|
Stock-based compensation expense |
|
|
|
|
768
|
|
768
|
Issuance of preferred stock |
|
|
|
|
37,140
|
|
37,140
|
Issuance of preferred stock (in shares) |
|
2,000
|
|
|
|
|
|
Preferred stock dividends |
|
|
|
|
(1,424)
|
|
(1,424)
|
Net loss and comprehensive loss |
|
|
|
|
|
(2,237)
|
(2,237)
|
Balance at end of period at Jun. 30, 2021 |
$ 49
|
|
|
$ 85
|
1,307,140
|
(1,190,696)
|
116,578
|
Balance at end of period (in shares) at Jun. 30, 2021 |
984,000
|
2,000
|
5,000
|
11,310,000
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
Exercise of stock options |
|
|
|
|
31
|
|
31
|
Exercise of stock options (in shares) |
|
|
|
1,000
|
|
|
|
Stock-based compensation expense |
|
|
|
|
779
|
|
779
|
Preferred stock dividends |
|
|
|
|
(1,368)
|
|
(1,368)
|
Net loss and comprehensive loss |
|
|
|
|
|
(4,436)
|
(4,436)
|
Balance at end of period at Sep. 30, 2021 |
$ 49
|
|
|
$ 85
|
1,306,582
|
(1,195,132)
|
111,584
|
Balance at end of period (in shares) at Sep. 30, 2021 |
984,000
|
2,000
|
5,000
|
11,311,000
|
|
|
|
Balance at beginning of period at Dec. 31, 2021 |
$ 49
|
|
|
$ 85
|
1,307,030
|
(1,165,288)
|
141,876
|
Balance at beginning of period (in shares) at Dec. 31, 2021 |
984,000
|
2,000
|
5,000
|
11,315,000
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
Exercise of stock options |
|
|
|
$ 1
|
632
|
|
633
|
Exercise of stock options (in shares) |
|
|
|
91,000
|
|
|
|
Issuance of common stock related to 401(k) contribution |
|
|
|
|
85
|
|
85
|
Issuance of common stock related to 401(k) contribution (in shares) |
|
|
|
4,000
|
|
|
|
Stock-based compensation expense |
|
|
|
|
978
|
|
978
|
Preferred stock dividends |
|
|
|
|
(1,368)
|
|
(1,368)
|
Net loss and comprehensive loss |
|
|
|
|
|
(2,280)
|
(2,280)
|
Balance at end of period at Mar. 31, 2022 |
$ 49
|
|
|
$ 86
|
1,307,357
|
(1,167,568)
|
139,924
|
Balance at end of period (in shares) at Mar. 31, 2022 |
984,000
|
2,000
|
5,000
|
11,410,000
|
|
|
|
Balance at beginning of period at Dec. 31, 2021 |
$ 49
|
|
|
$ 85
|
1,307,030
|
(1,165,288)
|
$ 141,876
|
Balance at beginning of period (in shares) at Dec. 31, 2021 |
984,000
|
2,000
|
5,000
|
11,315,000
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
Exercise of stock options (in shares) |
|
|
|
|
|
|
128,811
|
Net loss and comprehensive loss |
|
|
|
|
|
|
$ (11,128)
|
Balance at end of period at Sep. 30, 2022 |
$ 49
|
|
|
$ 86
|
1,306,606
|
(1,176,416)
|
130,325
|
Balance at end of period (in shares) at Sep. 30, 2022 |
984,000
|
2,000
|
5,000
|
11,451,000
|
|
|
|
Balance at beginning of period at Mar. 31, 2022 |
$ 49
|
|
|
$ 86
|
1,307,357
|
(1,167,568)
|
139,924
|
Balance at beginning of period (in shares) at Mar. 31, 2022 |
984,000
|
2,000
|
5,000
|
11,410,000
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
Exercise of stock options |
|
|
|
|
189
|
|
189
|
Exercise of stock options (in shares) |
|
|
|
11,000
|
|
|
|
Issuance of common stock related to ESPP |
|
|
|
|
45
|
|
45
|
Issuance of common stock related to ESPP (in shares) |
|
|
|
3,000
|
|
|
|
Stock-based compensation expense |
|
|
|
|
836
|
|
836
|
Preferred stock dividends |
|
|
|
|
(1,368)
|
|
(1,368)
|
Net loss and comprehensive loss |
|
|
|
|
|
(4,670)
|
(4,670)
|
Balance at end of period at Jun. 30, 2022 |
$ 49
|
|
|
$ 86
|
1,307,059
|
(1,172,238)
|
134,956
|
Balance at end of period (in shares) at Jun. 30, 2022 |
984,000
|
2,000
|
5,000
|
11,424,000
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
Exercise of stock options |
|
|
|
|
109
|
|
109
|
Exercise of stock options (in shares) |
|
|
|
27,000
|
|
|
|
Stock-based compensation expense |
|
|
|
|
806
|
|
806
|
Preferred stock dividends |
|
|
|
|
(1,368)
|
|
(1,368)
|
Net loss and comprehensive loss |
|
|
|
|
|
(4,178)
|
(4,178)
|
Balance at end of period at Sep. 30, 2022 |
$ 49
|
|
|
$ 86
|
$ 1,306,606
|
$ (1,176,416)
|
$ 130,325
|
Balance at end of period (in shares) at Sep. 30, 2022 |
984,000
|
2,000
|
5,000
|
11,451,000
|
|
|
|