Organization and Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2016
Accounting Policies [Abstract]  
Schedule of Inventory, Current [Table Text Block] The composition of inventory at September 30, 2016 and December 31, 2015 was as follows:

(in thousands)

 

September 30, 2016

 

December 31, 2015

Finished Goods

$

384

$

586

Raw Materials

 

218

 

469

Total

$

602

$

1,055