CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Other Comprehensive Income (Loss) [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]
Balance at Sep. 30, 2017	$ 20,425,000	$ 9,000	$ 21,406,000	$ (539,000)	$ (919,000)	$ (986,000)	$ 1,454,000
Balance (in shares) at Sep. 30, 2017		17,893,763				810,160
Issuance of shares of common stock under employee stock purchase plan	4,000	$ 0	4,000	0	0	$ 0	0
Issuance of shares of common stock under employee stock purchase plan (in shares)		4,420
Stock-based compensation costs	93,000	$ 0	89,000	0	0	0	4,000
Stock-based compensation costs (in shares)		31,000
Foreign currency translation adjustment	35,000	$ 0	0	35,000	0	0	0
Net income (loss)	(872,000)	0	0	0	(797,000)	0	(75,000)
Balance at Dec. 31, 2017	19,685,000	$ 9,000	21,499,000	(504,000)	(1,716,000)	$ (986,000)	1,383,000
Balance (in shares) at Dec. 31, 2017		17,929,183				810,160
Balance at Sep. 30, 2018	22,328,000	$ 9,000	21,865,000	(700,000)	841,000	$ (986,000)	1,299,000
Balance (in shares) at Sep. 30, 2018		18,152,074				810,160
Impact of change in accounting policy	22,000	$ 0	0	0	22,000	$ 0	0
Issuance of shares of common stock under employee stock purchase plan	5,000	$ 0	5,000	0	0	0	0
Issuance of shares of common stock under employee stock purchase plan (in shares)		6,318
Stock-based compensation costs	78,000	$ 0	76,000	0	0	0	2,000
Stock-based compensation costs (in shares)		39,729
Foreign currency translation adjustment	(141,000)	$ 0	0	(141,000)	0	0	0
Net income (loss)	(102,000)	0	0	0	(93,000)	0	(9,000)
Balance at Dec. 31, 2018	$ 22,190,000	$ 9,000	$ 21,946,000	$ (841,000)	$ 770,000	$ (986,000)	$ 1,292,000
Balance (in shares) at Dec. 31, 2018		18,198,121				810,160