Net Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

Anti-dilutive common share equivalents excluded from the computation of diluted net loss per share were as follows:

	December 31,
	2019	2018
Preferred shares	8,443,778	6,500,000
Common share purchase warrants	205,562	208,187
Restricted stock not yet vested or released	20,798	53,004
Options outstanding	2,600	20,050