XML 73 R56.htm IDEA: XBRL DOCUMENT v3.19.1
Stockholders' Equity - Common Stock are Reserved for Future Issuance (Details) - shares
shares in Thousands
Dec. 31, 2018
Dec. 31, 2017
Equity [Abstract]    
Warrants outstanding (in shares) 17,698 963
Stock options outstanding (in shares) 395 10
Options reserved for future issuance under the Company's 2017 Incentive Plan (in shares) 421  
Shares reserved for future issuance under the Employee Stock Purchase Plan (in shares) 115  
Restricted stock units (in shares) 13  
Total reserved for future issuance (in shares) 18,642