NOTE 4 - COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS - Costs, Earnings, Billings, Uncompleted Contracts - (Details) - USD ($)	Jun. 30, 2017	Jun. 30, 2016
Notes to Financial Statements
Costs Incurred on Uncompleted Contracts	$ 1,030,675	$ 893,976
Estimated Earnings	999,433	491,476
Sum of Estimated Earnings and Costs Incurred on Uncompleted Contracts	2,030,108	1,385,452
Less: billings to date	1,294,047	1,592,075
Total	$ 736,061	$ (206,623)

Amount of receivable reflecting the cost incurred on uncompleted contracts in excess of related billings which is expected to be collected within one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 35
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=68068069&loc=d3e57795-111642

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3(c)(3))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 35
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=68068069&loc=d3e57807-111642

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