Quarterly report pursuant to Section 13 or 15(d)

COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS (Details)

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COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS (Details) - USD ($)
Oct. 31, 2015
Apr. 30, 2015
Costs incurred on uncompleted contracts $ 31,508,372 $ 32,008,307
Estimated contract earnings 5,301,063 6,031,338
Gross Total 36,809,435 38,039,645
Less: Billings to date 37,773,214 38,965,672
Total (963,779) (926,027)
Costs and estimated earnings in excess of billings on uncompleted contracts 585,721 420,434
Billings in excess of costs and estimated earnings on uncompleted contracts 1,549,500 1,346,461
Total $ (963,779) $ (926,027)