(6) Warranty Reserve (Details) - USD ($)	12 Months Ended
Jun. 30, 2018	Jun. 30, 2017
Text Block [Abstract]
Beginning warranty reserve	$ 202,000	$ 152,605
Warranty costs incurred	(122,708)	(143,444)
Warranty expense accrued	120,524	148,820
Warranty reserve assumed in the Acquisition	5,000	50,000
Changes in estimated warranty costs	1,034	(5,981)
Ending warranty reserve	$ 205,850	$ 202,000

No definition available.

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Amount of increase (decrease) in valuation and qualifying accounts and reserves from adjustment.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09)
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Amount of valuation and qualifying accounts and reserves.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09)
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

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Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense.

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Amount of decrease in valuation and qualifying accounts and reserves.

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Amount of increase in valuation and qualifying accounts and reserves from business combination.

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