NOTE 4 - COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS - Costs, Earnings, Billings, Uncompleted Contracts - (Details) - USD ($)	Jun. 30, 2020	Jun. 30, 2019
Notes to Financial Statements
Costs incurred on uncompleted contracts	$ 448,437	$ 448,437
Estimated earnings	309,248	1,088,675
Costs and estimated earnings on uncompleted contracts	757,685	1,537,112
Less: Billings to date	604,852	1,012,002
Costs and estimated earnings in excess of billings on uncompleted contracts	$ 152,833	$ 525,110

Amount of receivable reflecting the cost incurred on uncompleted contracts in excess of related billings.

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