Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share (Details)

v3.19.1
Net Loss Per Share (Details) - shares
shares in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2,060 840
Convertible Debt Securities [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 469 0
Employee Stock Option [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 476 499
Warrant [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 1,115 341