Annual report pursuant to Section 13 and 15(d)

Accrued Expenses (Details)

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Accrued Expenses (Details) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Accrued Expenses [Abstract]    
Accrued professional fees $ 155,000 $ 138,000
Accrued payroll and related expenses 648,000 346,000
Accrued board of directors' fees 390,000 160,000
Accrued interest 138,000 29,000
Accrued other 49,000 20,000
Total accrued expenses $ 1,380,000 $ 693,000