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Incentive and Non-statutory Stock Option Plan - Summary of Stock Options and Warrants Outstanding and Exercisable (Details) - Options [Member] - $ / shares | 9 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2018 | Jun. 30, 2017 | Jun. 30, 2016
Number Outstanding and Exercisable, shares | 438,360 | 475,133 | 610,133
Weighted Average Remaining Contractual Life | 3 months 26 days |  |
Weighted Average Exercise Price | $ 4.20 |  |
Price Range One [Member] |  |  |
Exercise Price | $ 3.88 |  |
Number Outstanding and Exercisable, shares | 384,898 |  |
Weighted Average Remaining Contractual Life | 2 months 30 days |  |
Weighted Average Exercise Price | $ 3.88 |  |
Price Range Two [Member] |  |  |
Exercise Price | $ 6.50 |  |
Number Outstanding and Exercisable, shares | 53,462 |  |
Weighted Average Remaining Contractual Life | 10 months 6 days |  |
Weighted Average Exercise Price | $ 6.50 |  |

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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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