Quarterly report pursuant to Section 13 or 15(d)

Accrued Expenses (Details)

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Accrued Expenses (Details) - USD ($)
Jun. 30, 2017
Dec. 31, 2016
Accrued Expenses [Abstract]    
Accrued professional fees $ 105,000 $ 138,000
Accrued compensation 441,000 346,000
Accrued board of directors' fees 120,000 40,000
Accrued interest 10,000 29,000
Accrued other 90,000 20,000
Total accrued expenses $ 766,000 $ 573,000