Lines of Credit (Details) $ in Thousands	12 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($)
Line of Credit Facility [Line Items]
Line of Credit, Current	$ 3,247	$ 2,459
Prior Line of Credit | Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 1,000
Line of Credit Facility, floor rate	4.00%
Outstanding line of credit amount	$ 0
Prior Line of Credit | Line of Credit | LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate	2.50%
Inventory Line of Credit | Line of Credit
Line of Credit Facility [Line Items]
Liquidity ratio		1.2
Minimum Net Worth Required for Compliance		$ 4,000
Ratio of Indebtedness to Net Capital		5.0
Line of Credit, Current	$ 3,200	$ 2,500
Inventory Line of Credit | Line of Credit | Prime Rate
Line of Credit Facility [Line Items]
Interest when payments are late		5.00%