LEASES - Additional Information (Details) - USD ($)  | 
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2020  | 
Dec. 31, 2019  | 
Dec. 31, 2018  | 
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| Lessee, Lease, Description [Line Items] | |||
| Operating Lease, Right-of-Use Asset | $ 333,199 | $ 348,841 | |
| Operating Lease, Liability | $ (502,000) | ||
| Operating Lease, Weighted Average Discount Rate, Percent | 10.00% | ||
| Lessee, Operating Lease, Liability, Payments, Due | $ 603,000 | ||
| Operating Leases, Rent Expense, Net | 28,000 | ||
| Operating Lease Right Of Use Liability | 333,000 | ||
| Deferred Lease Liability | $ 176,000 | ||
| Maximum [Member] | |||
| Lessee, Lease, Description [Line Items] | |||
| Lessee, Operating Lease, Liability, Payments, Due | 100,000 | ||
| Operating Leases, Rent Expense, Net | 13,600 | ||
| Minimum [Member] | |||
| Lessee, Lease, Description [Line Items] | |||
| Operating Leases, Rent Expense, Net | 12,400 | ||
| Florham Park New Jersey [Member] | |||
| Lessee, Lease, Description [Line Items] | |||
| Lessee, Operating Lease, Liability, Payments, Due | $ 783,000 | 
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- Definition Deferred lease liability. No definition available. 
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- Definition Amount of Operating Lease Right Of Use Liability. 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 Amount of lessee's undiscounted obligation for lease payments for operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of operating lease expense. Excludes sublease income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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