XML 17 R9.htm IDEA: XBRL DOCUMENT v2.4.0.6
Inventories
12 Months Ended
Dec. 31, 2011
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

3. Inventories

 

Inventories, consisting of materials, materials overhead, labor, and manufacturing overhead, are stated at the lower of average cost or market (net realizable value) and consist of the following at December 31:

 

    2011     2010  
Raw materials   $ 851,000     $ 684,400  
Work-in-progress     325,100       224,700  
Finished goods     582,200       818,300  
Merchandise     41,300       29,300  
    $ 1,799,600     $ 1,756,700