EARNINGS (LOSS) PER SHARE - Calculation of Earning Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Numerator for basic and diluted earnings per share
Net loss	$ (6,613)	$ (11,508)
Preferred dividends	(334)	(334)
Net loss applicable to common shareholders	$ (6,947)	$ (11,842)
Denominator for basic loss per share - Weighted average shares outstanding (in shares)	64,859,002	60,096,852
Effect of dilutive potential common shares (in shares)	0	0
Denominator for diluted loss per share - Adjusted weighted average shares outstanding (in shares)	64,859,002	60,096,852
Basic loss per share (in dollars per share)	$ (0.11)	$ (0.20)
Diluted loss per share (in dollars per share)	$ (0.11)	$ (0.20)