CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)	Preferred Shares [Member] Adoption of accounting standard	Preferred Shares [Member]	Common Shares [Member] Adoption of accounting standard	Common Shares [Member]	Additional paid-in capital [Member] Adoption of accounting standard	Additional paid-in capital [Member]	Accumulated deficit [Member] Adoption of accounting standard	Accumulated deficit [Member]	Adoption of accounting standard	Total
Balance at Sep. 30, 2019		$ 35,000		$ 2,589,000		$ 25,183,000		$ (17,097,000)		$ 10,710,000
Balance (in shares) at Sep. 30, 2019		35		10,510,694
Net loss		$ 0		$ 0		0		(1,426,000)		(1,426,000)
Stock based compensation expense		0		$ 14,000		67,000		0		81,000
Stock based compensation (in shares)				54,363
Stock issued in acquisition		0		$ 60,000		1,073,000		0		1,133,000
Stock issued in acquisition (In shares)				240,000
Balance at Dec. 31, 2019	$ 0	$ 35,000	$ 0	$ 2,663,000	$ 0	26,323,000	$ (128,000)	(18,651,000)	$ (128,000)	10,370,000
Balance (in shares) at Dec. 31, 2019		35		10,805,057
Net loss		$ 0		$ 0		0		(588,000)		(588,000)
Stock option exercises		0		$ 8,000		12,000		0		20,000
Stock option exercises (in shares)				32,703
Stock based compensation expense		0		$ 7,000		116,000		0		123,000
Stock based compensation (in shares)				26,521
Balance at Mar. 31, 2020		$ 35,000		$ 2,678,000		26,451,000		(19,239,000)		9,925,000
Balance (in shares) at Mar. 31, 2020		35		10,864,281
Balance at Sep. 30, 2020		$ 25,000		$ 2,706,000		26,775,000		(21,910,000)		7,596,000
Balance (in shares) at Sep. 30, 2020		25		10,977,675
Net loss		$ 0		$ 0		0		(366,000)		(366,000)
Stock option exercises		$ 0		$ 6,000		39,000		0		45,000
Stock option exercises (in shares)		0		23,350
Stock based compensation expense		$ 0		$ 29,000		152,000		0		181,000
Stock based compensation (in shares)		0		116,974
Balance at Dec. 31, 2020		$ 25,000		$ 2,741,000		26,966,000		(22,276,000)		7,456,000
Balance (in shares) at Dec. 31, 2020		25		11,117,999
Balance at Sep. 30, 2020		$ 25,000		$ 2,706,000		26,775,000		(21,910,000)		7,596,000
Balance (in shares) at Sep. 30, 2020		25		10,977,675
Balance at Mar. 31, 2021		$ 0		$ 2,756,000		27,319,000		(22,999,000)		7,076,000
Balance (in shares) at Mar. 31, 2021		0		11,179,041
Balance at Dec. 31, 2020		$ 25,000		$ 2,741,000		26,966,000		(22,276,000)		7,456,000
Balance (in shares) at Dec. 31, 2020		25		11,117,999
Net loss		$ 0		$ 0		0		(723,000)		(723,000)
Stock option exercises		0		$ 9,000		56,000		0		65,000
Stock option exercises (in shares)				36,040
Stock based compensation expense		0		$ 3,000		275,000		0		278,000
Stock based compensation (in shares)				12,502
Preferred stock conversion		$ (25,000)		$ 3,000		22,000		0		0
Preferred stock conversion (in shares)		(25)		12,500
Balance at Mar. 31, 2021		$ 0		$ 2,756,000		$ 27,319,000		$ (22,999,000)		$ 7,076,000
Balance (in shares) at Mar. 31, 2021		0		11,179,041