Inventories

3 Months Ended

Mar. 31, 2013

Inventory Disclosure [Abstract]

Inventory Disclosure [Text Block]

Note 8.    Inventories

The components of inventories follow:

(in thousands)	March 31,    2013		December 31, 2012
Work-in-process and raw materials	$	419	$	346
Finished goods		414		402
Total inventories	$	833	$	748

During the three months ended March 31, 2012, gross profit was affected favorably in the amount of less than $0.1 million from the sales of products that had previously been written down. There were no such sales during the three months ended March 31, 2013.