Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | AOCI Attributable to Parent [Member] | Retained Earnings [Member] | Total |
Balances (in shares) at Dec. 31, 2021 | 26,443,067 | | | | |
Balances at Dec. 31, 2021 | | $ 126,576 | $ (51) | $ (82,501) | $ 44,024 |
Share-based compensation expense | | 308 | 0 | 0 | 308 |
Unrealized gain on marketable securities | | 0 | (56) | 0 | (56) |
Net loss | | 0 | 0 | (3,508) | (3,508) |
Balances (in shares) at Mar. 31, 2022 | 26,443,067 | | | | |
Balances at Mar. 31, 2022 | | 126,884 | (107) | (86,009) | 40,768 |
Net loss | | 0 | 0 | (3,508) | (3,508) |
Balances (in shares) at Dec. 31, 2021 | 26,443,067 | | | | |
Balances at Dec. 31, 2021 | | 126,576 | (51) | (82,501) | 44,024 |
Unrealized gain on marketable securities | | | | | (111) |
Net loss | | | | | (9,925) |
Balances (in shares) at Sep. 30, 2022 | 26,443,067 | | | | |
Balances at Sep. 30, 2022 | | 127,667 | (162) | (92,426) | 35,079 |
Net loss | | | | | (9,925) |
Balances (in shares) at Mar. 31, 2022 | 26,443,067 | | | | |
Balances at Mar. 31, 2022 | | 126,884 | (107) | (86,009) | 40,768 |
Share-based compensation expense | | 365 | 0 | 0 | 365 |
Unrealized gain on marketable securities | | 0 | (60) | 0 | (60) |
Net loss | | 0 | 0 | (3,358) | (3,358) |
Balances (in shares) at Jun. 30, 2022 | 26,443,067 | | | | |
Balances at Jun. 30, 2022 | | 127,249 | (167) | (89,367) | 37,715 |
Net loss | | 0 | 0 | (3,358) | (3,358) |
Share-based compensation expense | | 418 | 0 | 0 | 418 |
Unrealized gain on marketable securities | | 0 | 5 | 0 | 5 |
Net loss | | 0 | 0 | (3,059) | (3,059) |
Balances (in shares) at Sep. 30, 2022 | 26,443,067 | | | | |
Balances at Sep. 30, 2022 | | 127,667 | (162) | (92,426) | 35,079 |
Net loss | | 0 | 0 | (3,059) | (3,059) |
Balances (in shares) at Dec. 31, 2022 | 26,443,067 | | | | |
Balances at Dec. 31, 2022 | | 128,078 | (74) | (96,177) | 31,827 |
Issuance of common shares in settlement of deferred stock units (in shares) | 17,621 | | | | |
Issuance of common shares upon the vesting of restricted stock units (in shares) | 4,289 | | | | |
Issuance of common shares upon the vesting of restricted stock units | | 0 | 0 | 0 | 0 |
Share-based compensation expense | | 422 | | | 422 |
Unrealized gain on marketable securities | | | 45 | | 45 |
Net loss | | | | (5,272) | (5,272) |
Balances (in shares) at Mar. 31, 2023 | 26,464,977 | | | | |
Balances at Mar. 31, 2023 | | 128,500 | (29) | (101,449) | 27,022 |
Net loss | | | | (5,272) | (5,272) |
Balances (in shares) at Dec. 31, 2022 | 26,443,067 | | | | |
Balances at Dec. 31, 2022 | | 128,078 | (74) | (96,177) | $ 31,827 |
Issuance of common shares in settlement of deferred stock units (in shares) | | | | | 17,621 |
Unrealized gain on marketable securities | | | | | $ (53) |
Net loss | | | | | (14,220) |
Balances (in shares) at Sep. 30, 2023 | 37,953,711 | | | | |
Balances at Sep. 30, 2023 | | 166,153 | (127) | (110,397) | 55,629 |
Net loss | | | | | (14,220) |
Balances (in shares) at Mar. 31, 2023 | 26,464,977 | | | | |
Balances at Mar. 31, 2023 | | 128,500 | (29) | (101,449) | 27,022 |
Issuance of common shares upon the vesting of restricted stock units (in shares) | 4,289 | | | | |
Issuance of common shares upon the vesting of restricted stock units | | 0 | 0 | 0 | 0 |
Share-based compensation expense | | 380 | 0 | 0 | 380 |
Unrealized gain on marketable securities | | 0 | (34) | 0 | (34) |
Net loss | | 0 | 0 | (4,477) | (4,477) |
Issuance of common shares net of offering costs of $1.4 million (in shares) | 11,480,156 | | | | |
Issuance of common shares net of offering costs of $1.4 million | | 36,852 | 0 | 0 | 36,852 |
Offering costs on previously issued common shares | | | | | 1,400 |
Balances (in shares) at Jun. 30, 2023 | 37,949,422 | | | | |
Balances at Jun. 30, 2023 | | 165,732 | (63) | (105,926) | 59,743 |
Net loss | | 0 | 0 | (4,477) | (4,477) |
Issuance of common shares upon the vesting of restricted stock units (in shares) | 4,289 | | | | |
Issuance of common shares upon the vesting of restricted stock units | | 0 | 0 | 0 | 0 |
Share-based compensation expense | | 425 | | | 425 |
Unrealized gain on marketable securities | | | (64) | 0 | (64) |
Net loss | | 0 | 0 | (4,471) | (4,471) |
Offering costs on previously issued common shares | | 4 | 0 | 0 | 4 |
Balances (in shares) at Sep. 30, 2023 | 37,953,711 | | | | |
Balances at Sep. 30, 2023 | | 166,153 | (127) | (110,397) | 55,629 |
Net loss | | $ 0 | $ 0 | $ (4,471) | $ (4,471) |