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ACCRUED EXPENSES (Details) - USD ($) | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Incentive compensation | $ 408,000 | $ 341,000
Accounts payable | 612,000 | 933,000
Clinical study costs | 332,000 | 329,000
Professional fees | 64,000 | 178,000
Insurance | 69,000 | 0
Other | 59,000 | 87,000
Accounts Payable and Accrued Liabilities, Current | $ 1,543,819 | $ 1,867,758

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