Restructuring Costs (Details Narrative)	3 Months Ended					12 Months Ended	18 Months Ended
	Mar. 31, 2020 USD ($) position	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2019 employee	Dec. 31, 2014 position
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated, worldwide (over 100) | employee						23
Entity number of employees		86				86
Restructuring costs	$ 287,460	$ 359,117	$ 384,829	$ 202,679	$ 157,693
Restructuring Costs Under the 2013 Plan
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated, worldwide (over 100) | position							100
Restructuring Costs Under 2019 Plan
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated, worldwide (over 100) | position	23
Restructuring costs	$ 76,708
Lease-Disposal Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 210,752	$ 327,257	$ 170,779	$ 202,679	$ 157,693