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Common Stock, and Warrants With-Down Round Protection - Schedule of Stock Grants Activity (Details) - Employees, Officers and Directors [Member] - $ / shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Balance outstanding at beginning of period 2,028,085 3,992,610
Balance exercisable at beginning of period 1,724,194 2,721,587
Granted 75,000
Forfeited (335,014) (2,039,525)
Balance outstanding at end of the period 1,693,071 2,028,085
Balance exercisable at the end of the period 1,667,853 1,724,194
Weighted Average Exercise Price Balance outstanding at beginning of period $ 4.88 $ 4.7
Weighted Average Exercise Price , Balance exercisable at beginning of period 4.63 4.63
Weighted Average Exercise Price, Granted 4.5
Weighted Average Exercise Price, Forfeited 4.51 4.51
Weighted Average Exercise Price , Balance outstanding at end of the period 4.95 4.88
Weighted Average Exercise Price , Balance exercisable at the end of the period $ 4.96 $ 4.63