STOCKHOLDERS' EQUITY - Additional information (Details) - USD ($)						1 Months Ended			3 Months Ended		12 Months Ended
	Apr. 20, 2020	Apr. 01, 2020	Feb. 28, 2020	Jul. 09, 2019	May 31, 2019	Jul. 22, 2019	Mar. 04, 2019	Feb. 28, 2018	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Jun. 30, 2019	Jul. 26, 2018
Stockholders Equity [Line Items]
Number of preferred stock authorized									5,000,000		5,000,000
Number of common stock authorized									100,000,000		100,000,000	100,000,000
Number of common stock issued									36,130,355			50,000,000
Number of shares issued									3,627,760
Aggregate registered amount for offerings													$ 150,000,000
Average selling price									$ 5.80
Net proceeds from issuance of stock									$ 20,422,000
Allocated Share-based Compensation Expense									$ 729,000	$ 228,000
Exercise price per share									$ 7.73
Expected life of the stock option									10 years
expected dividends									0.00%
Risk free interest rate, minimum									0.45%
Risk free rate maximum									0.94%
Total unrecognized compensation cost related to stock options									$ 3,300,000
Amortized period									35 months
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares									466,635
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures									$ 328,939	425,639
Class of Warrant or Right, Outstanding									30,000		0
Class of Warrant or Right, Exercise Price of Warrants or Rights									$ 9.90
Restricted stock
Stockholders Equity [Line Items]
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures									$ 366,000
February 28, 2018 Performance-Based Award [Member] | Restricted stock
Stockholders Equity [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Gross								146,200
Stock Issued During Period, Value, Restricted Stock Award, Gross								$ 1,148,000
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures									0	107,000
March 4, 2019 Performance-Based Award [Member] | Restricted stock
Stockholders Equity [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Gross							22,220
Stock Issued During Period, Value, Restricted Stock Award, Gross							$ 179,000
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures									9,000	5,000
July 22, 2019 Performance-Based Award [Member] | Restricted stock
Stockholders Equity [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Gross						180,300
Stock Issued During Period, Value, Restricted Stock Award, Gross						$ 1,300,000
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures									$ 103,000	0
February 28 2020 Performance Based Award [Member] | Restricted stock
Stockholders Equity [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Gross			168,100
Stock Issued During Period, Value, Restricted Stock Award, Gross			$ 1,014,000
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures										$ 0
Cantor Fitzgerald and Co. [Member]
Stockholders Equity [Line Items]
Number of shares issued					2,094,140
Average selling price					$ 8.72
Net proceeds from issuance of stock					$ 17,718,000
Jefferies LLC and B. Riley FBR, Inc [Member]
Stockholders Equity [Line Items]
Number of shares issued									3,421,237		191,244
aggregate offering price				$ 25,000,000
Average selling price									$ 5.89		$ 4.11
Net proceeds from issuance of stock									$ 19,542,000		$ 762,000
Equity proceeds in transit									$ 1,798,000
Commission rate (as a percent)				3.00%
Series A Preferred Stock [Member]
Stockholders Equity [Line Items]
Number of preferred stock authorized												5,000,000
Exercise Price Ranging From 5.68 To 6.57 [Member]
Stockholders Equity [Line Items]
Expected volatility									69.80%
Exercise Price Ranging From 5.68 To 6.57 [Member] | Maximum
Stockholders Equity [Line Items]
Exercise price per share									$ 6.57
Exercise Price Ranging From 5.68 To 6.57 [Member] | Minimum
Stockholders Equity [Line Items]
Exercise price per share									$ 5.68
Subsequent event | Jefferies LLC and B. Riley FBR, Inc [Member]
Stockholders Equity [Line Items]
Number of shares issued		15,279
aggregate offering price	$ 25,000,000	$ 25,000,000
Average selling price		$ 8.02
Net proceeds from issuance of stock		$ 119,000