13. Stock Options (Details 1) - $ / shares	12 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Number of Options Outstanding, Ending	96,586	97,205	92,000
Weighted Average Exercise Price Outstanding, Ending	$ 4.35	$ 3.24	$ 3.15
Number of Options Exercisable	49,236	50,167
Weighted Average Exercise Price Exercisable	$ 3.29	$ 3.29
Exercise Price Range 5.35 - 11.30
Number of Options Outstanding, Ending	25,881
Weighted Average Remaining Contractual Life	9 years 10 months 13 days
Weighted Average Exercise Price Outstanding, Ending	$ 7.47
Number of Options Exercisable	0
Weighted Average Exercise Price Exercisable	$ .00
Exercise Price Range 2.91 - 4.65
Number of Options Outstanding, Ending	70,705
Weighted Average Remaining Contractual Life	6 years 5 months 16 days
Weighted Average Exercise Price Outstanding, Ending	$ 3.33
Number of Options Exercisable	49,236
Weighted Average Exercise Price Exercisable	$ 3.29
Exercise Price Range 3.65 to 4.65
Number of Options Outstanding, Ending		70,500
Weighted Average Remaining Contractual Life		7 years 9 months 22 days
Weighted Average Exercise Price Outstanding, Ending		$ 3.07
Number of Options Exercisable		30,167
Weighted Average Exercise Price Exercisable		$ 2.80
Exercise Price Range 2.91 to 3.08
Number of Options Outstanding, Ending		26,705
Weighted Average Remaining Contractual Life		5 years 6 months 25 days
Weighted Average Exercise Price Outstanding, Ending		$ 4.02
Number of Options Exercisable		20,000
Weighted Average Exercise Price Exercisable		$ 3.84

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 718
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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