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Note 4 - Inventories
12 Months Ended
Mar. 31, 2014
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

4.

INVENTORIES


Inventories consisted of the following: 


   

Year Ended March 31,

 
   

2014

   

2013

 

Aircraft parts and supplies

  $ 119,638     $ 119,638  

Ground support service parts

    608,674       327,753  

Ground equipment manufacturing:

               

Raw materials

    6,965,659       4,989,335  

Work in process

    1,814,791       1,305,029  

Finished goods

    3,486,269       2,230,100  

Total inventories

    12,995,031       8,971,855  

Reserves

    (755,562 )     (790,155 )
                 

Total, net of reserves

  $ 12,239,469     $ 8,181,700