XML 42 R19.htm IDEA: XBRL DOCUMENT v2.4.1.9
Note 4 - Uncompleted Contracts (Tables)
3 Months Ended
Mar. 31, 2015
Notes Tables  
Schedule Of Cost And Estimated Earnings In Excess Of Billings [Table Text Block]
   
March 31, 2015
   
December 31, 2014
 
                 
                 
Costs incurred on uncompleted contracts
  $ 5,722,046     $ 4,250,299  
Estimated earnings
    5,062,092       4.541.377  
      10,784,138       8,791,677  
Billings to date
    (9,835,952 )     (7,621,523 )
    $ 948,186     $ 1,170,154  
                 
Included in accompanying balance sheets
under the following captions:
               
                 
Cost and estimated earnings in excess of
billings on contracts in progress
  $ 3,451,142     $ 2,498,662  
                 
Billings in excess of costs and estimated
earnings on contracts in progress
  $ (2,502,956 )   $ (1,328,508 )