Goodwill and In-process R&D (Schedule of Goodwill) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Goodwill and In-process R&D
Goodwill gross	$ 2,200,000
Goodwill beginning balance	2,189,338
Goodwill from acquisition of Pelican		$ 2,189,338
Goodwill impairment loss	(737,000)
Goodwill ending balance	$ 1,452,338	$ 2,189,338