Income Taxes - Reconciliation of Income tax expense (benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Abstract]
Computed “expected” tax benefit (in Dollars)	$ (225)	$ (93)
Computed “expected” tax benefit	21.20%	21.00%
Increases (reductions) in taxes resulting from:
State income taxes, net of federal tax benefit (in Dollars)	$ (7)	$ (73)
State income taxes, net of federal tax benefit	0.70%	16.50%
Foreign operations (in Dollars)	$ 2	$ (46)
Foreign operations	(0.20%)	10.40%
Permanent differences (in Dollars)	$ (3)	$ 31
Permanent differences	0.30%	(7.00%)
Change in valuation allowance (in Dollars)	$ 1,005	$ 235
Change in valuation allowance	(94.70%)	(53.20%)
Deferred revenue (in Dollars)		$ (48)
Deferred revenue		10.90%
Payable true up (in Dollars)		$ 17
Payable true up		(3.80%)
Uncertain tax liability adjustment (in Dollars)		$ (41)
Uncertain tax liability adjustment		(9.30%)
Research & development credit (in Dollars)	$ (107)	$ (90)
Research & development credit	10.10%	20.40%
Benefit of US Federal NOL carryback (in Dollars)	$ (222)
Benefit of US Federal NOL carryback	20.90%
Other items (in Dollars)	$ (59)	$ 37
Other items	5.50%	(8.40%)
Income tax (benefit) expense (in Dollars)	$ 384	$ (71)
Income tax (benefit) expense	(36.20%)	16.10%