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Basic and Diluted Loss Per Share - Anti-dilutive shares (Details) - shares | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Warrants |  |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Line Items1 Line Items |  |  |
Anti-dilutive shares | 2,228,076 | 2,059,128 | 1,674,324
Convertible Debt 1 |  |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Line Items1 Line Items |  |  |
Anti-dilutive shares |  |  | 302,976
Convertible Debt 2 |  |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Line Items1 Line Items |  |  |
Anti-dilutive shares |  |  | 827,856

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References No definition available. + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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