Quarterly report pursuant to Section 13 or 15(d)

Accrued Expenses (Details)

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Accrued Expenses (Details) - USD ($)
Sep. 30, 2017
Dec. 31, 2016
Accrued Expenses [Abstract]    
Accrued professional fees $ 160,000 $ 138,000
Accrued compensation 578,000 346,000
Accrued board of directors' fees 330,000 130,000
Accrued interest 105,000 29,000
Accrued other 200,000 20,000
Total accrued expenses $ 1,373,000 $ 663,000