Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements of Cash Flows (Parenthetical)

v3.8.0.1
Condensed Statements of Cash Flows (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Payments of Stock Issuance Costs $ 2,167 $ 0