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Accounts Payable and Accruals - Other (Tables)
3 Months Ended
Mar. 31, 2017
Payables and Accruals [Abstract]  
Schedule of Accounts Payable and Accrued Liabilities Other

    March 31,     December 31,  
    2017     2016  
    ($ in thousands)  
Employees and employee institutions   $ 459     $ 357  
Accrued vacation and recreation pay     141       137  
Accrued clinical trial expenses     452       467  
Accrued expenses     767       430  
Provision for sales commissions     65       56  
    $ 1,884     $ 1,447