Income Taxes - Additional Information (Details) - USD ($)			12 Months Ended
	Dec. 22, 2017	Dec. 21, 2017	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2017	Mar. 31, 2018
Income Tax [Line Items]
Income Tax Expense (Benefit)			$ 182,000	$ (1,608,000)
Deferred Tax Assets, Operating Loss Carryforwards, Domestic			600,000
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount			$ 100,000	$ 600,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	35.00%	21.00%	24.28%
Provision for Income Tax Expense				$ 700,000
Additional Income Tax Expense			$ 70,000	200,000
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration			1,200,000
Deferred Tax Assets, Operating Loss Carryforwards, State and Local			17,000,000	19,300,000
Deferred Tax Assets, Operating Loss Carryforwards, Foreign			144,000	147,000
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount			700,000
Xcede Technologies, Inc [Member]
Income Tax [Line Items]
Income Tax Expense (Benefit)				(1,200,000)
Increase (Decrease) in Deferred Tax Assets, Valuation allowance			600,000
State and Local Jurisdiction [Member]
Income Tax [Line Items]
Deferred Tax Assets, Tax Credit Carryforwards, Research			815,000	852,000
Federal (Member)
Income Tax [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, Domestic			8,500,000	9,000,000
Deferred Tax Assets, Tax Credit Carryforwards, Research			$ 2,900,000	$ 2,900,000		$ 2,900,000
Federal (Member) | Xcede Technologies, Inc [Member]
Income Tax [Line Items]
Income Tax Expense (Benefit)					$ (2,700,000)