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Stock-Based Compensation - Summary of Restricted Stock Activity (Details) - Restricted Stock [Member] - $ / shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Nonvested Restricted Stock Outstanding, Beginning balance 150
Nonvested Restricted Stock, Vested   (75)
Nonvested Restricted Stock, Forfeited (75)
Nonvested Restricted Stock Outstanding, Ending balance
Weighted Average Grant Date Fair Value Per Share, Beginning balance $ 1,406.00
Weighted Average Grant Date Fair Value Per Share, Vested 1,406.00
Weighted Average Grant Date Fair Value Per Share, Forfeited   1,406.00
Weighted Average Grant Date Fair Value Per Share, Ending balance