Fair Value Measurements - Rollforward (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Fair Value, Assets Measured on Recurring Basis [Roll Forward]
Change in fair value	$ (1,256,211)	$ (110,923)
Level 3
Fair Value, Assets Measured on Recurring Basis [Roll Forward]
Beginning balance	1,266,377	2,612,310
Change in fair value due to Lachlan Settlement	(1,277,150)
Change in fair value	24,827		$ (135,933)
Purchase price allocation measurement period adjustment of contingent consideration			(1,210,000)
Ending balance	14,054	1,266,377	2,612,310
Warrant liability | Recurring basis | Level 3
Fair Value, Assets Measured on Recurring Basis [Roll Forward]
Beginning balance	2,950	8,185
Change in fair value	510		(5,235)
Ending balance	3,460	2,950	8,185
Unit purchase option liability | Level 3
Fair Value, Assets Measured on Recurring Basis [Roll Forward]
Beginning balance	7,216	26,991
Change in fair value	3,378		(19,775)
Ending balance	10,594	7,216	26,991
Contingent consideration | Level 3
Fair Value, Assets Measured on Recurring Basis [Roll Forward]
Beginning balance	1,256,211	2,577,134
Change in fair value due to Lachlan Settlement	(1,277,150)
Change in fair value	20,939		(110,923)
Purchase price allocation measurement period adjustment of contingent consideration			(1,210,000)
Ending balance	$ 0	$ 1,256,211	$ 2,577,134