Restructuring Costs (Tables)

6 Months Ended

Jun. 30, 2016

Restructuring Costs [Abstract]

Restructuring and Related Costs [Table Text Block]

	PROCEED
	Trial
	Termination
	Accrual
Balance at March 31, 2016	$	26,600
Amounts paid in the three months ended June 30, 2016		(3,000)
Balance, June 30, 2016	$	23,600

	PROCEED
	Trial
	Termination
	Accrual
Balance, December 31, 2015	$	46,600
Amounts paid in the six months ended June 30, 2016		(23,000)
Balance, June 30, 2016	$	23,600