XML 38 R11.htm IDEA: XBRL DOCUMENT v2.4.0.8
Note 4 - Product Inventories
9 Months Ended
Sep. 30, 2013
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

Note 4.   Product Inventories


Product inventories consist of the following:


In thousands of dollars


   

September 30, 2013

   

December 31, 2012

 

Raw materials

  $ 1,359     $ 2,337  

Work in process

    1,614       3,666  

Finished goods

    2,256       1,413  

Total product inventories

  $ 5,229     $ 7,416  

As of September 30, 2013 and December 31, 2012, inventory relates to the production of battery systems targeted at the electric grid, transportation, and industrial markets.


Inventory valuation allowances, totaled $250,000 and $331,000 at September 30, 2013 and December 31, 2012, respectively.