Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Summary of Warrants Outstanding (Details)

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Stockholders' Equity - Summary of Warrants Outstanding (Details) - Warrants [Member] - $ / shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Number of Warrants, Beginning Balance 740,000 2,700,000
Number of Warrants, Granted 40,000
Number of Warrants, Exercised
Number of Warrants, Expired (100,000) (2,000,000)
Number of Warrants, Ending Balance 640,000 740,000
Weighted Average Exercise Price, Beginning Balance $ 0.93 $ 2.83
Weighted Average Exercise Price, Granted 1.00
Weighted Average Exercise Price, Exercised
Weighted Average Exercise Price, Expired 1.00 3.50
Weighted Average Exercise Price, Ending Balance $ 1.00 $ 0.93