Warrants - Summary of Warrant Activity (Details) - shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Number of warrants outstanding, beginning	873,000
Number of warrants outstanding, ending	3,588,000	873,000
Warrants [Member]
Number of warrants outstanding, beginning	243,000	209,000
Number of warrants exercised
Number of warrants granted		84,000
Number of warrants expired		(50,000)
Number of warrants outstanding, ending	243,000	243,000
May 2018 Warrants [Member] \| Equity [Member]
Number of warrants outstanding, beginning	84,000
Number of warrants exercised
Number of warrants granted		84,000
Number of warrants expired
Number of warrants outstanding, ending	84,000	84,000
Warrant expiration date	Oct. 27, 2022	Oct. 27, 2022
April 2013 Warrants [Member] \| Equity [Member]
Number of warrants outstanding, beginning		50,000
Number of warrants exercised
Number of warrants granted
Number of warrants expired		(50,000)
Number of warrants outstanding, ending
October 2013 Warrants [Member] \| Liabilities [Member]
Number of warrants outstanding, beginning	26,000	26,000
Number of warrants exercised
Number of warrants granted
Number of warrants expired
Number of warrants outstanding, ending	26,000	26,000
Warrant expiration date	Oct. 24, 2023	Oct. 24, 2023
January 2014 Warrants [Member] \| Liabilities [Member]
Number of warrants outstanding, beginning	133,000	133,000
Number of warrants exercised
Number of warrants granted
Number of warrants expired
Number of warrants outstanding, ending	133,000	133,000
Warrant expiration date	Jan. 16, 2024	Jan. 16, 2024