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Employee Benefit Plan	12 Months Ended
Employee Benefit Plan	Dec. 31, 2018
Employee benefit plan [Abstract]
Compensation and Employee Benefit Plans [Text Block]	EMPLOYEE BENEFIT PLAN The Company maintains a defined contribution plan in the United States for all of its qualified employees. Qualifying employees can choose to voluntarily contribute up to 60% of their annual earnings subject to an overall limitation of $18,500 and $18,000 in 2018 and 2017, respectively. The Company matches an amount equal to 50% of each participant's contribution, limited to contributions up to 5% of a participant's earnings. The contributions for the plan vest based on years of service with 100% vesting after five years of service. The Company's contribution is expensed as paid and for the years ended December 31, 2018 and December 31, 2017 totaled $0.2 million and $0.1 million, respectively. All Company obligations to the plans were fully funded as of December 31, 2018.