XML 81 R66.htm IDEA: XBRL DOCUMENT v3.20.2
Income Taxes - Reconciliation of Tax Rate (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2018
Income Tax Disclosure [Abstract]      
Income tax benefit at statutory rate $ 545 $ 1,610 $ 8,746
State income taxes, net of federal tax benefit (246) (165) 12
Change in federal statutory rate 0 0 (12,645)
Decrease (increase) in valuation allowance 6,135 (1,514) 7,066
Net operating losses carryback to higher federal statutory rate years 4,270 0 0
Other, net (102) (134) (164)
Total income tax benefit (expense) $ 10,602 $ (203) $ 3,015