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Accrued Expenses
12 Months Ended
Dec. 31, 2018
Payables and Accruals [Abstract]  
Accrued Expenses
Accrued Expenses

Accrued expenses consisted of the following as of:
 
December 31,
($ in thousands)
2018
 
2017
Accrued professional fees
$
281

 
$
322

Accrued compensation
449

 
462

Accrued clinical trial expenses
525

 
342

Accrued other
215

 
134

Total accrued expenses
$
1,470

 
$
1,260