Consolidated Statement of Stockholders' Equity and Convertible Preferred Stock (Unaudited) - USD ($) $ in Thousands | Common Stock [Member] | Treasury Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Series A Convertible Preferred Stock [Member] | Series B Convertible Preferred Stock [Member] | Series C Convertible Preferred Stock [Member] | Total |
Balance (in shares) at Dec. 31, 2020 | 117,829,000 | 249,000 | | | | | | |
Balance at Dec. 31, 2020 | $ 12 | $ (1,031) | $ 209,481 | $ (148,030) | $ 55,522 | $ 56,781 | $ 0 | $ 60,432 |
Share-based compensation | | | (5,799) | | | | | (5,799) |
Restricted stock vesting (in shares) | 590,000 | | | | | | | |
Shares repurchased related to share-based compensation (in shares) | (95,000) | 95,000 | | | | | | |
Shares repurchased related to share-based compensation | | $ (279) | | | | | | (279) |
Issuance of common stock, net (in shares) | 116,000 | | | | | | | |
Issuance of common stock, net | | | 151 | | | | 37,807 | 151 |
Preferred stock dividends | | | (13,015) | | 6,045 | 5,761 | 1,159 | (13,015) |
Net income | $ 0 | $ 0 | 0 | (14,016) | 0 | 0 | 0 | (14,016) |
Balance (in shares) at Sep. 30, 2021 | 120,723,000 | 344,000 | | | | | | |
Balance at Sep. 30, 2021 | $ 12 | $ (1,310) | 195,136 | (162,046) | 61,614 | 62,542 | 38,966 | 31,792 |
Exercise of common stock warrants (in shares) | 1,485,000 | 0 | | | | | | |
Exercise of common stock warrants | $ 0 | $ 0 | 4,365 | 0 | 0 | 0 | 0 | 4,365 |
Stock dividend (in shares) | 798,000 | 0 | | | | | | |
Deemed dividends - accretion of beneficial conversion feature | $ 0 | $ 0 | (47) | 0 | 47 | 0 | 0 | (47) |
Balance (in shares) at Jun. 30, 2021 | 118,482,000 | 300,000 | | | | | | |
Balance at Jun. 30, 2021 | $ 12 | $ (1,171) | 199,553 | (163,268) | 59,509 | 60,549 | 33,173 | 35,126 |
Share-based compensation | | | (3,653) | | | | | (3,653) |
Restricted stock vesting (in shares) | 285,000 | | | | | | | |
Shares repurchased related to share-based compensation (in shares) | (44,000) | 44,000 | | | | | | |
Shares repurchased related to share-based compensation | | $ (139) | | | | | | (139) |
Issuance of common stock, net (in shares) | 116,000 | | | | | | | |
Issuance of common stock, net | | | 151 | | | | 4,634 | 151 |
Preferred stock dividends | | | (5,264) | | 2,089 | 1,993 | 1,159 | (5,264) |
Net income | $ 0 | $ 0 | 0 | 1,222 | 0 | 0 | 0 | 1,222 |
Balance (in shares) at Sep. 30, 2021 | 120,723,000 | 344,000 | | | | | | |
Balance at Sep. 30, 2021 | $ 12 | $ (1,310) | 195,136 | (162,046) | 61,614 | 62,542 | 38,966 | 31,792 |
Exercise of common stock warrants (in shares) | 1,485,000 | 0 | | | | | | |
Exercise of common stock warrants | $ 0 | $ 0 | 4,365 | 0 | 0 | 0 | 0 | 4,365 |
Stock dividend (in shares) | 399 | | | | | | | |
Deemed dividends - accretion of beneficial conversion feature | $ 0 | $ 0 | (16) | 0 | 16 | 0 | 0 | (16) |
Balance (in shares) at Dec. 31, 2021 | 120,838,000 | 346,000 | | | | | | |
Balance at Dec. 31, 2021 | $ 12 | $ (1,315) | 191,264 | (170,069) | 63,791 | 64,602 | 40,007 | 19,892 |
Share-based compensation | | | 3,555 | | | | | 3,555 |
Restricted stock vesting (in shares) | 2,293,000 | | | | | | | |
Shares repurchased related to share-based compensation (in shares) | (543,000) | 543,000 | | | | | | |
Shares repurchased related to share-based compensation | | $ (2,812) | | | | | | (2,812) |
Issuance of common stock, net (in shares) | 20,072,000 | | | | | | | |
Issuance of common stock, net | $ 2 | | 111,078 | | | | 9,836 | 111,080 |
Preferred stock dividends | | | (17,777) | | 6,803 | 6,489 | 4,430 | (17,777) |
Net income | $ 0 | $ 0 | 0 | (41,146) | 0 | 0 | 0 | (41,146) |
Balance (in shares) at Sep. 30, 2022 | 143,181,000 | 889,000 | | | | | | |
Balance at Sep. 30, 2022 | $ 14 | $ (4,127) | 291,684 | (211,215) | 70,594 | 71,091 | 54,273 | $ 76,356 |
Exercise of common stock warrants (in shares) | 521,000 | 0 | | | | | | 520,335 |
Exercise of common stock warrants | $ 0 | $ 0 | 3,564 | 0 | 0 | 0 | 0 | $ 3,564 |
Balance (in shares) at Jun. 30, 2022 | 127,254,000 | 742,000 | | | | | | |
Balance at Jun. 30, 2022 | $ 13 | $ (3,067) | 213,749 | (192,418) | 68,259 | 68,863 | 52,604 | 18,277 |
Share-based compensation | | | 3,041 | | | | | 3,041 |
Restricted stock vesting (in shares) | 620,000 | | | | | | | |
Shares repurchased related to share-based compensation (in shares) | (147,000) | 147,000 | | | | | | |
Shares repurchased related to share-based compensation | | $ (1,060) | | | | | | (1,060) |
Issuance of common stock, net (in shares) | 15,454,000 | 0 | | | | | | |
Issuance of common stock, net | $ 1 | $ 0 | 81,142 | 0 | 0 | 0 | 0 | 81,143 |
Preferred stock dividends | | | (6,248) | | 2,335 | 2,228 | 1,669 | (6,248) |
Net income | $ 0 | $ 0 | 0 | (18,797) | 0 | 0 | 0 | (18,797) |
Balance (in shares) at Sep. 30, 2022 | 143,181,000 | 889,000 | | | | | | |
Balance at Sep. 30, 2022 | $ 14 | $ (4,127) | $ 291,684 | $ (211,215) | $ 70,594 | $ 71,091 | $ 54,273 | $ 76,356 |