8. Long-Term Incentive Plan Awards (Details - Option Activity) - USD ($)	9 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Shares
Number of Options Outstanding, Ending	299,000	399,000
Weighted-Average Exercise Price
Weighted Average Exercise Price Granted	$ 0.98	$ 1.03
Options [Member]
Shares
Number of Options Outstanding, Beginning	299,000	399,000
Number of Options Granted	0	0
Number of Options Exercised	0	(50,000)
Number of Options Cancelled	0	0
Number of Options Forfeited or Expired	0	0
Number of Options Outstanding, Ending	299,000	349,000
Number of Options Exercisable	299,000	349,000
Weighted-Average Exercise Price
Weighted Average Exercise Price Outstanding, Beginning	$ 1.04	$ 1.12
Weighted Average Exercise Price Granted
Weighted Average Exercise Price Exercised		(1.34)
Weighted Average Exercise Price Canceled
Weighted Average Exercise Price Forfeited or Expired
Weighted Average Exercise Price Outstanding, Ending	1.04	1.09
Weighted Average Exercise Price Exercisable	$ 1.04	$ 1.09
Weighted-Average Remaining Contractual Life (In Years)
Weighted Average Remaining Contractual Life (in years) Outstanding	2 years 9 months	4 years 18 days
Weighted Average Remaining Contractual Life (in years) Exercised		4 years 2 months 16 days
Weighted Average Exercise Price Outstanding, Ending	2 years	3 years 2 months 1 day
Weighted Average Remaining Contractual Life (in years) Exercisable	2 years	3 years 2 months 1 day
Aggregate Intrinsic Value
Aggregate Intrinsic Value Outstanding, Beginning	$ 241,220	$ 451,820
Aggregate Intrinsic Value Granted	$ 0
Aggregate Intrinsic Value Exercised	$ 0	(99,000)
Aggregate Intrinsic Value Cancelled	$ 0
Aggregate Intrinsic Value Forfeited or Expired	$ 0
Aggregate Intrinsic Value Outstanding, Ending	$ 525,270	312,090
Aggregate Intrinsic Value Exercisable	$ 525,270	$ 312,090

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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.

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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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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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The combined weighted average of the accumulated differences between the fair values on underlying shares and exercises prices to acquire such shares as of the grant date on options that were either forfeited or lapsed.

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The grant-date intrinsic value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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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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Weighted average remaining contractual term of exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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