STOCKHOLDERS' EQUITY, Preferred Stock (Details) - USD ($) $ / shares in Units, $ in Thousands						12 Months Ended
	Sep. 24, 2018	Jun. 22, 2018	Mar. 21, 2018	Oct. 17, 2016	Oct. 16, 2016	Sep. 30, 2018	Sep. 30, 2017
Class of Stock [Line Items]
Preferred stock, par value (in dollars per share)						$ 0.001	$ 0.001
Dividends paid to preferred stockholder						$ (1,093)	$ (15)
Series A Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, par value (in dollars per share)						$ 0.001
Convertible preferred stock, shares issued upon conversion (in shares)						1
Dividend payable						$ 15
Number of shares repurchased, shares (in shares)	20,000
Number of shares repurchased, value (in shares)	$ 400					400
Dividends declared						$ 15
Series B Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, par value (in dollars per share)						$ 0.001
Convertible preferred stock, shares issued upon conversion (in shares)						0.10
Series C Cumulative Preferred Stock [Member]
Class of Stock [Line Items]
Dividends declared						$ 423	$ 502
Dividends paid to preferred stockholder						$ (1,093)
Preferred stock, dividend rate				5.00%	7.00%	5.00%	7.00%
Common stock closing price per share (in dollars per share)					$ 10
Increase in dividend rate annually					2.00%	1.00%
Period of increase in dividend rate				4 years
Preferred stock, liquidation preference, value						$ 11,966	$ 8,224
Fair value prior to modification						7,705
Fair value after to modification						6,173
Change in fair value						1,311
Stock issued in private placement (in shares)		2,795	3,000
Stock issued per share (in dollars per share)		$ 500	$ 500
Stock issued in private placement, value		$ 1,398	$ 1,500			$ 2,897
Series C Cumulative Preferred Stock [Member] | Minimum [Member]
Class of Stock [Line Items]
Percentage of change in present value of future cash flows					10.00%
Series C Cumulative Preferred Stock [Member] | Maximum [Member]
Class of Stock [Line Items]
Preferred stock, dividend rate					13.00%	9.00%