CASH, CASH EQUIVALENTS, AND RESTRICTED CASH (Additional Information) (Details) - USD ($) |
3 Months Ended | |
|---|---|---|
Mar. 31, 2024 |
Dec. 31, 2023 |
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| Cash and Cash Equivalents [Line Items] | ||
| Restricted cash | $ 669,900 | $ 669,900 |
| Restricted cash, current | 284,950 | 192,475 |
| Restricted Cash, noncurrent | 384,950 | 477,425 |
| Refund from research and development credits from foreign tax authorities | 2,543,000 | |
| UNITED KINGDOM | ||
| Cash and Cash Equivalents [Line Items] | ||
| Cash held in subsidiary | 4,829,000 | $ 3,772,000 |
| UNITED STATES | ||
| Cash and Cash Equivalents [Line Items] | ||
| Cash held in subsidiary | 9,274,000 | |
| Letter Of Credit [Member] | ||
| Cash and Cash Equivalents [Line Items] | ||
| Restricted cash | 669,900 | |
| Restricted cash, current | 284,950 | |
| Restricted Cash, noncurrent | $ 384,950 |
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- Definition Cash held in subsidiary. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations. No definition available.
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- Definition Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cash restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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