Billings in Excess of Costs (Details) - USD ($) |
Oct. 31, 2016 |
Jul. 31, 2016 |
Jul. 31, 2015 |
Jul. 31, 2014 |
|---|---|---|---|---|
| Costs incurred on uncompleted contracts | $ 1,506,659 | $ 853,787 | $ 2,033,840 | $ 7,863,873 |
| Billings to date | (952,240) | (143,135) | (5,523,616) | (11,710,958) |
| Billings in Excess of Cost | (3,489,776) | (3,847,085) | ||
| Costs in Excess of Billing | 554,419 | 710,652 | ||
| Included in the accompanying balance sheets as follows: | ||||
| Costs in excess of billings on uncompleted contracts | 832,390 | 710,652 | 0 | 0 |
| Billings on uncompleted contracts in excess of costs | $ (277,971) | $ 0 | $ (3,489,776) | $ (3,847,085) |