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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands | Total | March 2023 PIPE [Member] | Common Stock [Member] | Common Stock [Member] August 2022 Pre-Funded Warrants [Member] | Common Stock [Member] March 2023 Pre-Funded Warrants [Member] | Common Stock [Member] March 2023 PIPE [Member] | Additional Paid-In Capital [Member] | Additional Paid-In Capital [Member] March 2023 PIPE [Member] | Accumulated Deficit [Member] | Accumulated Other Comprehensive Income [Member] | Non-Controlling Interest [Member]
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Stockholders Equity, Beginning Balance at Dec. 31, 2021 | $ 31,196 |  | $ 63 |  |  |  | $ 257,515 |  | $ (226,485) |  | $ 103
Stockholders Equity, Beginning Balance (Accounting Standards Update 2020-06 [Member]) at Dec. 31, 2021 | 3,392 |  |  |  |  |  | 19,390 |  | (15,998) |  |
Stockholders Equity, Beginning Balance, Shares at Dec. 31, 2021 |  |  | 554,609 |  |  |  |  |  |  |  |
Issuance of shares related to employee stock purchase plan | 4 |  |  |  |  |  | 4 |  |  |  |
Issuance of shares related to employee stock purchase plan, Shares |  |  | 118 |  |  |  |  |  |  |  |
Stock-based compensation | 260 |  |  |  |  |  | 260 |  |  |  |
Net (loss) income | (4,610) |  |  |  |  |  |  |  | (4,488) |  | (122)
Stockholders Equity, Ending Balance at Mar. 31, 2022 | 30,242 |  | $ 63 |  |  |  | 277,169 |  | (246,971) |  | (19)
Stockholders Equity, Ending Balance, Shares at Mar. 31, 2022 |  |  | 554,727 |  |  |  |  |  |  |  |
Stockholders Equity, Beginning Balance at Dec. 31, 2021 | 31,196 |  | $ 63 |  |  |  | 257,515 |  | (226,485) |  | 103
Stockholders Equity, Beginning Balance (Accounting Standards Update 2020-06 [Member]) at Dec. 31, 2021 | 3,392 |  |  |  |  |  | 19,390 |  | (15,998) |  |
Stockholders Equity, Beginning Balance, Shares at Dec. 31, 2021 |  |  | 554,609 |  |  |  |  |  |  |  |
Net (loss) income | (8,407) |  |  |  |  |  |  |  |  |  |
Stockholders Equity, Ending Balance at Jun. 30, 2022 | 26,768 |  | $ 63 |  |  |  | 277,492 |  | (250,748) |  | (39)
Stockholders Equity, Ending Balance, Shares at Jun. 30, 2022 |  |  | 554,727 |  |  |  |  |  |  |  |
Stockholders Equity, Beginning Balance at Dec. 31, 2021 | 31,196 |  | $ 63 |  |  |  | 257,515 |  | (226,485) |  | 103
Stockholders Equity, Beginning Balance (Accounting Standards Update 2020-06 [Member]) at Dec. 31, 2021 | $ 3,392 |  |  |  |  |  | 19,390 |  | (15,998) |  |
Stockholders Equity, Beginning Balance, Shares at Dec. 31, 2021 |  |  | 554,609 |  |  |  |  |  |  |  |
Issuance of shares related to Pre-Funded Warrants exercise | 0 |  |  |  |  |  |  |  |  |  |
Net (loss) income | $ (15,600) |  |  |  |  |  |  |  |  |  |
Stockholders Equity, Ending Balance at Dec. 31, 2022 | 20,900 |  | $ 65 |  |  |  | 278,827 |  | (257,859) |  | (133)
Stockholders Equity, Ending Balance, Shares at Dec. 31, 2022 |  |  | 616,079 |  |  |  |  |  |  |  |
Stockholders Equity, Beginning Balance at Mar. 31, 2022 | 30,242 |  | $ 63 |  |  |  | 277,169 |  | (246,971) |  | (19)
Stockholders Equity, Beginning Balance, Shares at Mar. 31, 2022 |  |  | 554,727 |  |  |  |  |  |  |  |
Stock-based compensation | 323 |  |  |  |  |  | 323 |  |  |  |
Net (loss) income | (3,797) |  |  |  |  |  |  |  | (3,777) |  | (20)
Stockholders Equity, Ending Balance at Jun. 30, 2022 | 26,768 |  | $ 63 |  |  |  | 277,492 |  | (250,748) |  | (39)
Stockholders Equity, Ending Balance, Shares at Jun. 30, 2022 |  |  | 554,727 |  |  |  |  |  |  |  |
Stockholders Equity, Beginning Balance at Dec. 31, 2022 | 20,900 |  | $ 65 |  |  |  | 278,827 |  | (257,859) |  | (133)
Stockholders Equity, Beginning Balance, Shares at Dec. 31, 2022 |  |  | 616,079 |  |  |  |  |  |  |  |
Issuance of shares |  | $ 4,740 |  |  |  |  |  | $ 4,740 |  |  |
Issuance of shares, Shares |  |  |  |  |  | 165,500 |  |  |  |  |
Modification of warrants related to March 2023 PIPE |  | $ 219 |  |  |  |  |  | $ 219 |  |  |
Issuance of shares related to Pre-Funded Warrants exercise |  |  |  | 56,813 |  |  |  |  |  |  |
Issuance of shares related to employee stock purchase plan | 5 |  |  |  |  |  | 5 |  |  |  |
Issuance of shares related to employee stock purchase plan, Shares |  |  | 88 |  |  |  |  |  |  |  |
Issuance of shares related to reverse stock split |  |  | 19,092 |  |  |  |  |  |  |  |
Stock-based compensation | 212 |  |  |  |  |  | 212 |  |  |  |
Net (loss) income | (9,384) |  |  |  |  |  |  |  | (9,384) |  |
Stockholders Equity, Ending Balance at Mar. 31, 2023 | 16,692 |  | $ 65 |  |  |  | 284,003 |  | (267,243) |  | (133)
Stockholders Equity, Ending Balance, Shares at Mar. 31, 2023 |  |  | 857,572 |  |  |  |  |  |  |  |
Stockholders Equity, Beginning Balance at Dec. 31, 2022 | $ 20,900 |  | $ 65 |  |  |  | 278,827 |  | (257,859) |  | (133)
Stockholders Equity, Beginning Balance, Shares at Dec. 31, 2022 |  |  | 616,079 |  |  |  |  |  |  |  |
Issuance of shares related to Pre-Funded Warrants exercise | (307,647) |  |  |  |  |  |  |  |  |  |
Issuance of shares related to reverse stock split | 19,118 |  |  |  |  |  |  |  |  |  |
Net (loss) income | $ (8,566) |  |  |  |  |  |  |  |  |  |
Stockholders Equity, Ending Balance at Jun. 30, 2023 | 17,730 |  | $ 65 |  |  |  | 284,202 |  | (266,420) | $ 21 | (138)
Stockholders Equity, Ending Balance, Shares at Jun. 30, 2023 |  |  | 1,108,432 |  |  |  |  |  |  |  |
Stockholders Equity, Beginning Balance at Mar. 31, 2023 | 16,692 |  | $ 65 |  |  |  | 284,003 |  | (267,243) |  | (133)
Stockholders Equity, Beginning Balance, Shares at Mar. 31, 2023 |  |  | 857,572 |  |  |  |  |  |  |  |
Issuance of shares related to Pre-Funded Warrants exercise |  |  |  |  | 250,834 |  |  |  |  |  |
Issuance of shares related to reverse stock split |  |  | 26 |  |  |  |  |  |  |  |
Stock-based compensation | 199 |  |  |  |  |  | 199 |  |  |  |
Unrealized gains on available-for-sale securities | 21 |  |  |  |  |  |  |  |  | 21 |
Net (loss) income | 818 |  |  |  |  |  |  |  | 823 |  | (5)
Stockholders Equity, Ending Balance at Jun. 30, 2023 | $ 17,730 |  | $ 65 |  |  |  | $ 284,202 |  | $ (266,420) | $ 21 | $ (138)
Stockholders Equity, Ending Balance, Shares at Jun. 30, 2023 |  |  | 1,108,432 |  |  |  |  |  |  |  |

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