Severance Charge (Tables)

12 Months Ended

Dec. 31, 2014

Severance Charge Abstract [Abstract]

Severance Charge [Table Text Block]

The composition of the severance charge and activity with regard to the severance liability is as follows:

Total severance charge	$	1,864,000
Stock-based compensation		(1,161,000)
Cash compensation		703,000
Payments in 2014		148,000
Accrued severance, December 31, 2014	$	555,000