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STOCK-BASED COMPENSATION - Status of restricted stock (Details)	6 Months Ended
	Dec. 31, 2019 $ / shares shares
Outstanding Restricted Shares, Number	320,800
Fair Value per Share 5.11 [Member]
Outstanding Restricted Shares, Number	60,000
Outstanding Restricted Shares, Average Remaining Amortization Period (Years)	9 months 15 days
Outstanding Restricted Shares, Fair Value per Share | $ / shares	$ 5.11
Fair Value per Share 6.45 [Member]
Outstanding Restricted Shares, Number	260,800
Outstanding Restricted Shares, Average Remaining Amortization Period (Years)	1 year 7 months 21 days
Outstanding Restricted Shares, Fair Value per Share | $ / shares	$ 6.45
Restricted Stock [Member]
Outstanding Restricted Shares, Number	60,000

X

- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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 (i)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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X

- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

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)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

Weighted average grant-date fair value of options vested.

+ References

No definition available.

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