Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Parenthetical)

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Condensed Consolidated Statements of Cash Flows (Parenthetical)
$ in Thousands
6 Months Ended
Jun. 30, 2018
USD ($)
Statement of Cash Flows [Abstract]  
Proceeds from public offering, broker commissions $ 1,400
Proceeds from exercise of options, broker commissions 22
Proceeds from issuance of shares, financing cost $ 851