NOTE 5 - COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS - Information relating to uncompleted contracts (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019
Notes to Financial Statements
Costs incurred on uncompleted contracts	$ 520	$ 448
Estimated earnings	1,059	1,089
Costs and estimated earnings on uncompleted contracts	1,579	1,537
Less: Billings to date	1,272	1,012
Net billings in excess of costs and estimated earnings on uncompleted contracts	$ 307	$ 525

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://fasb.org/us-gaap/role/ref/otherTransitionRef
-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

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