Concentration of Credit Risk (Tables)

3 Months Ended

Mar. 31, 2014

Risks and Uncertainties [Abstract]

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

Sales to these customers for the three months ended March 31, 2014 and 2013 are as follows:

	Three Months Ended				Three Months Ended
	March 31, 2014				March 31, 2013
Customer	Net Sales		% of Net Sales		Net Sales		% of Net Sales
Customer A	$	4,227,000		28.3%	$	4,873,000		36.5%
Customer B	$	1,784,000		12.0%		N/A		N/A