STOCK-BASED COMPENSATION, Restricted Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Sep. 30, 2019
Weighted Average Remaining Contractual Term [Abstract]
Restricted stock vested but not issued	$ 0	$ 236
Employee Restricted Stock [Member]
Restricted Stock [Roll Forward]
Unvested, beginning balance (in shares)	5,000
Vested (in shares)	0
Unvested, ending balance (in shares)	5,000		5,000
Weighted Average Grant Date Fair Value [Abstract]
Unvested, beginning balance (in dollars per share)	$ 8.01
Vested (in dollars per share)	0
Unvested, ending balance (in dollars per share)	$ 8.01		$ 8.01
Weighted Average Remaining Contractual Term [Abstract]
Unvested	1 month 10 days		7 months 10 days
Granted in period (in shares)	0
Vesting period	3 years
Grant date cost to recipient	$ 0
Total unrecognized compensation cost	$ 2
Weighted-average vesting period	1 month 10 days
Restricted stock vested but not issued	$ 159
Restricted stock vested but not issued (in shares)	18,333
Non-Employee Restricted Stock [Member]
Restricted Stock [Roll Forward]
Unvested, beginning balance (in shares)	26,667
Vested (in shares)	0
Unvested, ending balance (in shares)	26,667		26,667
Weighted Average Grant Date Fair Value [Abstract]
Unvested, beginning balance (in dollars per share)	$ 8.04
Vested (in dollars per share)	0
Unvested, ending balance (in dollars per share)	$ 8.04		$ 8.04
Weighted Average Remaining Contractual Term [Abstract]
Unvested	4 months 17 days		10 months 17 days
Total unrecognized compensation cost	$ 30
Weighted-average vesting period	4 months 17 days