Condensed Consolidated Statements of Changes in Shareholders' (Deficiency) Equity (Unaudited) - USD ($) | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Total |
Beginning balance, value at Dec. 31, 2021 | | $ 132,411,000 | $ (122,754,000) | $ 9,657,000 |
balance, shares at Dec. 31, 2021 | 160,915 | | | |
Issuance of common shares pursuant to at-the-market registered offering, net of issuance costs of $55 | | 3,004,000 | | 3,004,000 |
Issuance of common shares pursuant to at-the-market registered offering, net of issuance costs, shares | 19,917 | | | |
Share-based compensation | | 521,000 | | 521,000 |
Net loss | | | (4,811,000) | (4,811,000) |
Issuance of common shares upon vesting of restricted stock units | | | | |
Issuance of common shares upon vesting of restricted stock units, shares | 914 | | | |
Issuance of common stock for board of directors’ compensation | | 235,000 | | 235,000 |
Issuance of common stock for board of directors' compensation, shares | 1,630 | | | |
Ending balance, value at Mar. 31, 2022 | | 136,171,000 | (127,565,000) | 8,606,000 |
balance, shares at Mar. 31, 2022 | 183,376 | | | |
Beginning balance, value at Dec. 31, 2021 | | 132,411,000 | (122,754,000) | 9,657,000 |
balance, shares at Dec. 31, 2021 | 160,915 | | | |
Net loss | | | | (14,915,000) |
Ending balance, value at Sep. 30, 2022 | | 138,431,000 | (137,669,000) | 762,000 |
balance, shares at Sep. 30, 2022 | 201,544 | | | |
Beginning balance, value at Mar. 31, 2022 | | 136,171,000 | (127,565,000) | 8,606,000 |
balance, shares at Mar. 31, 2022 | 183,376 | | | |
Issuance of common shares pursuant to at-the-market registered offering, net of issuance costs of $55 | | 45,000 | | 45,000 |
Issuance of common shares pursuant to at-the-market registered offering, net of issuance costs, shares | 541 | | | |
Share-based compensation | | 461,000 | | 461,000 |
Net loss | | | (5,140,000) | (5,140,000) |
Issuance of common shares upon vesting of restricted stock units | | | | |
Issuance of common shares upon vesting of restricted stock units, shares | 278 | | | |
Ending balance, value at Jun. 30, 2022 | | 136,677,000 | (132,705,000) | 3,972,000 |
balance, shares at Jun. 30, 2022 | 184,195 | | | |
Issuance of common shares pursuant to at-the-market registered offering, net of issuance costs of $55 | | 1,324,000 | | 1,324,000 |
Issuance of common shares pursuant to at-the-market registered offering, net of issuance costs, shares | 17,208 | | | |
Share-based compensation | | 441,000 | | 441,000 |
Net loss | | | (4,964,000) | (4,964,000) |
Issuance of common shares upon vesting of restricted stock units | | | | |
Issuance of common shares upon vesting of restricted stock units, shares | 277 | | | |
Fractional shares settled in cash pursuant to reverse stock split | | (11) | | (11) |
Fractional shares settled in cash pursuant to reverse stock split, shares | (136) | | | |
Ending balance, value at Sep. 30, 2022 | | 138,431,000 | (137,669,000) | 762,000 |
balance, shares at Sep. 30, 2022 | 201,544 | | | |
Beginning balance, value at Dec. 31, 2022 | | 144,328,000 | (141,351,000) | 2,977,000 |
balance, shares at Dec. 31, 2022 | 310,494 | | | |
Issuance of common shares pursuant to at-the-market registered offering, net of issuance costs of $55 | | 102,000 | | 102,000 |
Issuance of common shares pursuant to at-the-market registered offering, net of issuance costs, shares | 7,942 | | | |
Share-based compensation | | 222,000 | | 222,000 |
Net loss | | | (4,386,000) | (4,386,000) |
Ending balance, value at Mar. 31, 2023 | | 144,652,000 | (145,737,000) | (1,085,000) |
balance, shares at Mar. 31, 2023 | 318,436 | | | |
Beginning balance, value at Dec. 31, 2022 | | 144,328,000 | (141,351,000) | 2,977,000 |
balance, shares at Dec. 31, 2022 | 310,494 | | | |
Net loss | | | | (10,062,000) |
Ending balance, value at Sep. 30, 2023 | | 148,935,000 | (151,413,000) | (2,478,000) |
balance, shares at Sep. 30, 2023 | 530,449 | | | |
Beginning balance, value at Mar. 31, 2023 | | 144,652,000 | (145,737,000) | (1,085,000) |
balance, shares at Mar. 31, 2023 | 318,436 | | | |
Share-based compensation | | 49,000 | | 49,000 |
Net loss | | | (2,997,000) | (2,997,000) |
Private placement offering, net of financing fees of $731 | | 3,070,000 | | 3,070,000 |
Private placement offering, shares | 35,000 | | | |
Issuance of common shares upon vesting of restricted stock units | | | | |
Issuance of common shares upon vesting of restricted stock units, shares | 104 | | | |
Ending balance, value at Jun. 30, 2023 | | 147,771,000 | (148,734,000) | (963,000) |
balance, shares at Jun. 30, 2023 | 353,540 | | | |
Share-based compensation | | 93,000 | | 93,000 |
Net loss | | | (2,679,000) | (2,679,000) |
Issuance of common shares upon exercise of warrants | | | | |
Issuance of common shares upon exercise of warrants, shares | 79,867 | | | |
Issuance of common shares upon extinguishment of contingent royalty obligation, net of issuance fees of $38 | | 1,071 | | 1,071 |
Issuance of common shares upon extinguishment of contingent royalty obligation, shares | 97,042 | | | |
Ending balance, value at Sep. 30, 2023 | | $ 148,935,000 | $ (151,413,000) | $ (2,478,000) |
balance, shares at Sep. 30, 2023 | 530,449 | | | |