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Stockholders' Equity (Deficit) - Summary of Unvested Shares (Details)
12 Months Ended
Dec. 31, 2019
shares
Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares Roll Forward  
Number of shares unvested, beginning balance 100,000
Number of shares, vested shares (65,000)
Number of shares unvested, ending balance 35,000