SHAREHOLDERS' EQUITY AND STOCK-BASED COMPENSATION, Stock Options Outstanding (Details) - Stock Options [Member] - USD ($)	9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Jun. 30, 2020
Stock Options Outstanding and Exercisable [Abstract]
Options outstanding, balance as of end of period (in shares)	2,295,431		2,809,095
Options outstanding, weighted average remaining contractual life	6 years 7 months 28 days
Options outstanding, weighted average exercise price (in dollars per share)	$ 1.24		$ 1.19
Options exercisable, balance as of end of period (in shares)	1,666,148
Options exercisable, weighted average remaining contractual life	5 years 7 months 24 days
Options exercisable, weighted average exercise price (in dollars per share)	$ 1.34
Options Vested or Expected to Vest [Abstract]
Options vested or expected to vest, balance as of end of period (in shares)	2,210,551
Options vested or expected to vest, weighted average remaining contractual life	6 years 6 months 22 days
Options vested or expected to vest, weighted average exercise price (in dollars per share)	$ 1.25
Unrecognized Stock-Based Compensation Expense [Abstract]
Unrecognized stock-based compensation expense	$ 240,000
Unrecognized stock-based compensation expense, period for recognition	20 months
Options outstanding, aggregate intrinsic value	$ 3,900,000
Options exercisable, aggregate intrinsic value	3,900,000
Options vested or expected to vest, aggregate intrinsic value	3,900,000
Options exercised, aggregate intrinsic value	$ 1,200,000
Options exercised (in shares)	887,290	0