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Equity - Stock Options - Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share-based compensation
Outstanding shares, ending balance	2,131,058	880,277
Granted (in shares)	743,161	1,328,718
Exercised (in shares)	(117,000)
Forfeited/Expired/Exchanged - (in shares)	(60,100)	(77,937)
Outstanding shares, beginning balance	2,697,119	2,131,058	880,277
Exercisable at December 31, Options (in shares)	2,379,752	1,461,073
Outstanding - Weighted Average Exercise Price (in dollars per share)	$ 2.53	$ 4.32
Exercise price (in dollars per share)	1.07	1.32
Exercised - Weighted Average Exercise Price (in dollars per share)	1.08
Forfeited/Expired/Exchanged - Weighted Average Exercise Price (in dollars per share)	2.88	2.11
Outstanding - Weighted Average Exercise Price (in dollars per share)	2.18	2.53	$ 4.32
Exercisable - Weighted Average Exercise Price (in dollars per share)	2.26	$ 2.90
Vest over the estimated fair value	$ 2.25
Granted - Weighted Average Remaining Contractual Life (in years)	9 years 2 months 23 days	9 years 1 month 28 days
Stock options, Contractual life (in years)	7 years 6 months 11 days	7 years 11 months 27 days	6 years 5 months 27 days
Stock options, Contractual life (in years)		7 years 11 months 27 days
Exercisable - Weighted Average Remaining Contractual Life (in years)	7 years 5 months 23 days	7 years 6 months 29 days
Minimum [Member]
Share-based compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	1 year
Maximum [Member]
Share-based compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Equity Incentive Plan [Member]
Share-based compensation
Granted (in shares)	743,161	1,328,718
Exercised (in shares)	(117,000)
Forfeited/Expired/Exchanged - (in shares)	(60,100)	(77,937)

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