Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2016
USD ($)
| |
| Consolidated Statements of Changes in Stockholders' Equity (Deficit) | |
| Issuance of common stock & warrants in a public offering, stock issuance costs | $ 2,040 |