Significant Accounting Policies (Tables)
|3 Months Ended|
Mar. 31, 2019
|Earnings Per Share [Abstract]|
|Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]||The following table summarizes potentially dilutive securities outstanding at March 31, 2019 and 2018, that were excluded from the computation of diluted net loss per share, as they would be anti-dilutive:
Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef