NOTE 5 - COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS - Information relating to uncompleted contracts - (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Jun. 30, 2016
Notes to Financial Statements
Costs incurred on uncompleted contracts	$ 1,031	$ 894
Estimated earnings	999	491
Subtotal	2,030	1,385
Less: Billings to date	1,406	1,592
Total Costs and estimated earnings in excess of billings on uncompleted contracts	$ 624	$ (207)

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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant