STOCK BASED COMPENSATION PLANS - Summary of Stock Based Compensation Plans (Details)	12 Months Ended
Jun. 30, 2021 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)	6,500,000
Conversions of Preferred Stock and cumulative Preferred Stock dividends (in shares)	105,474
Issuance under Stock/Equity Incentive Plan (in shares)	2,632,152
2014 Stock Option Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance under Stock/Equity Incentive Plan (in shares)	115,687
2015 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance under Stock/Equity Incentive Plan (in shares)	329,981
2018 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance under Stock/Equity Incentive Plan (in shares)	941,010
June 2013 \| 2013 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)	500,000
June 2014 \| 2014 Stock Option Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)	750,000
June 2015 \| 2015 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)	1,250,000
April 2018 \| 2018 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)	4,000,000
Current CEO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of shares (in shares)	1,000,000
Former CEO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of shares (in shares)	140,000

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Aggregate number of common shares reserved for future issuance.

+ References

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Net number of non-option equity instruments granted to participants.

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Number of shares authorized for issuance under share-based payment arrangement.

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