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, 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 |
|
|
|
|
|
|
|
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
|
|
|
|
Balance at beginning of period at Dec. 31, 2022 |
$ 49
|
|
|
$ 86
|
1,306,271
|
(1,182,392)
|
124,014
|
Balance at beginning of period (in shares) at Dec. 31, 2022 |
984,000
|
2,000
|
5,000
|
11,454,000
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
Issuance of common stock related to 401(k) contribution |
|
|
|
|
123
|
|
123
|
Issuance of common stock related to 401(k) contribution (in shares) |
|
|
|
7,000
|
|
|
|
Stock-based compensation expense |
|
|
|
|
1,570
|
|
1,570
|
Preferred stock dividends |
|
|
|
|
(1,368)
|
|
(1,368)
|
Net loss and comprehensive loss |
|
|
|
|
|
(9,813)
|
(9,813)
|
Balance at end of period at Mar. 31, 2023 |
$ 49
|
|
|
$ 86
|
1,306,596
|
(1,192,205)
|
114,526
|
Balance at end of period (in shares) at Mar. 31, 2023 |
984,000
|
2,000
|
5,000
|
11,461,000
|
|
|
|
Balance at beginning of period at Dec. 31, 2022 |
$ 49
|
|
|
$ 86
|
1,306,271
|
(1,182,392)
|
$ 124,014
|
Balance at beginning of period (in shares) at Dec. 31, 2022 |
984,000
|
2,000
|
5,000
|
11,454,000
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
Exercise of stock options (in shares) |
|
|
|
|
|
|
8,473
|
Net loss and comprehensive loss |
|
|
|
|
|
|
$ (20,722)
|
Balance at end of period at Sep. 30, 2023 |
$ 49
|
|
|
$ 86
|
1,308,943
|
(1,203,114)
|
105,964
|
Balance at end of period (in shares) at Sep. 30, 2023 |
984,000
|
2,000
|
5,000
|
11,472,000
|
|
|
|
Balance at beginning of period at Mar. 31, 2023 |
$ 49
|
|
|
$ 86
|
1,306,596
|
(1,192,205)
|
114,526
|
Balance at beginning of period (in shares) at Mar. 31, 2023 |
984,000
|
2,000
|
5,000
|
11,461,000
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
Exercise of stock options |
|
|
|
|
153
|
|
153
|
Exercise of stock options (in shares) |
|
|
|
8,000
|
|
|
|
Issuance of common stock related to ESPP |
|
|
|
|
50
|
|
50
|
Issuance of common stock related to ESPP (in shares) |
|
|
|
3,000
|
|
|
|
Stock-based compensation expense |
|
|
|
|
2,163
|
|
2,163
|
Preferred stock dividends |
|
|
|
|
(1,368)
|
|
(1,368)
|
Net loss and comprehensive loss |
|
|
|
|
|
(5,400)
|
(5,400)
|
Balance at end of period at Jun. 30, 2023 |
$ 49
|
|
|
$ 86
|
1,307,594
|
(1,197,605)
|
110,124
|
Balance at end of period (in shares) at Jun. 30, 2023 |
984,000
|
2,000
|
5,000
|
11,472,000
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
Stock-based compensation expense |
|
|
|
|
2,717
|
|
2,717
|
Preferred stock dividends |
|
|
|
|
(1,368)
|
|
(1,368)
|
Net loss and comprehensive loss |
|
|
|
|
|
(5,509)
|
(5,509)
|
Balance at end of period at Sep. 30, 2023 |
$ 49
|
|
|
$ 86
|
$ 1,308,943
|
$ (1,203,114)
|
$ 105,964
|
Balance at end of period (in shares) at Sep. 30, 2023 |
984,000
|
2,000
|
5,000
|
11,472,000
|
|
|
|