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Stockholders' Equity and Convertible Preferred Stock (Tables)
3 Months Ended
Mar. 31, 2021
Stockholders' Equity Note [Abstract]  
Schedule of warrant activity
   Warrants   Weighted Average Exercise Price   Total Intrinsic Value   Weighted Average Remaining Contractual Life
(in years)
Outstanding as of December 31, 2020   1,723,020   $3.07    57,333   1.11
Issued   4,312,473    2.00    -   4.89
Exercised   (80,000)   1.05    -   -
Expired   (87,123)   34.72    -   -
Forfeited   (3)   16.15    -   -
Outstanding as of March 31, 2021   5,868,367   $1.84    93,509   4.62
Schedule of option activity
   Number of Shares   Weighted Average Exercise Price   Total Intrinsic Value   Weighted Average Remaining Contractual Life (in years)
Outstanding as of December 31, 2020   384,304   $40.15   $69,000   8.9
Employee options granted   100,000    1.24    -   9.8
Outstanding as of March 31, 2021   484,304   $32.12   $150,000   8.9
Options vested and exercisable   284,304   $54.15   $75,000   8.3