XML 37 R10.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 4 - Inventories
12 Months Ended
Dec. 31, 2017
Notes to Financial Statements  
Inventory Disclosure [Text Block]
Note
4
- Inventories
 
Inventories consist of:
 
 
   
2017
   
20
16
 
                 
Raw materials
  $
2,549,016
    $
3,062,830
 
Work-in-process
   
389,630
     
159,482
 
Finished goods
   
26,977
     
64,227
 
Totals
  $
2,965,623
    $
3,286,539