Quarterly report pursuant to Section 13 or 15(d)

Warrants - Summary of Warrant Activity (Details)

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Warrants - Summary of Warrant Activity (Details)
3 Months Ended
Mar. 31, 2020
shares
Number of warrants outstanding, ending 3,596,000
Warrants [Member]  
Number of warrants outstanding, beginning 243,000
Number of warrants exercised
Number of warrants granted
Number of warrants expired
Number of warrants outstanding, ending 243,000
May 2018 Warrants [Member] | Equity [Member]  
Number of warrants outstanding, beginning 84,000
Number of warrants exercised
Number of warrants granted
Number of warrants expired
Number of warrants outstanding, ending 84,000
Warrant expiration date Oct. 27, 2022
October 2013 Warrants [Member] | Liabilities [Member]  
Number of warrants outstanding, beginning 26,000
Number of warrants exercised
Number of warrants granted
Number of warrants expired
Number of warrants outstanding, ending 26,000
Warrant expiration date Oct. 24, 2023
January 2014 Warrants [Member] | Liabilities [Member]  
Number of warrants outstanding, beginning 133,000
Number of warrants exercised
Number of warrants granted
Number of warrants expired
Number of warrants outstanding, ending 133,000
Warrant expiration date Jan. 16, 2024