CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Preferred Shares [Member]	Common Shares [Member]	Additional paid-in capital [Member]	Accumulated deficit [Member]
Balance at Sep. 30, 2017	$ 8,467	$ 1,035	$ 2,023	$ 21,446	$ (16,037)
Balance (in shares) at Sep. 30, 2017		1,035	8,243,896
Comprehensive income (loss):
Net income (loss)	26				26
Stock based compensation expense	34			34
Stock option exercise	1		$ 0	1
Stock option exercise (in shares)			305
Balance at Dec. 31, 2017	8,528	$ 1,035	$ 2,023	21,481	(16,011)
Balance (in shares) at Dec. 31, 2017		1,035	8,244,201
Balance at Sep. 30, 2018	10,884	$ 35	$ 2,523	24,557	(16,231)
Balance (in shares) at Sep. 30, 2018		35	10,245,277
Adoption of accounting standard	(76)				(76)
Comprehensive income (loss):
Net income (loss)	(85)				(85)
Stock based compensation expense	25			25
Balance at Dec. 31, 2018	$ 10,748	$ 35	$ 2,523	$ 24,582	$ (16,392)
Balance (in shares) at Dec. 31, 2018		35	10,245,277