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Intangible Assets (Tables)
12 Months Ended
Sep. 30, 2021
Finite-Lived Intangible Assets, Net [Abstract]  
Schedule of intangible assets Intangible assets consist of the following:
 Balance as of September 30, 2021Balance as of September 30, 2020
 Useful
Life
(in years)
Weighted average useful
Life
(in years)
Gross
Carrying
Amount
Accumulated
Amortization
Net
Carrying
Amount
Gross
Carrying
Amount
Accumulated
Amortization
Net
Carrying
Amount
(in thousands)(in thousands)
Contract intangibles66.0$3,100 $(1,679)$1,421 $3,100 $(1,162)$1,938 
Brand and technology55.02,700 (1,755)945 2,700 (1,215)1,485 
Patent and trademarks
7 - 10
8.62,360 (1,273)1,087 2,329 (994)1,335 
Total intangible assets, net $8,160 $(4,707)$3,453 $8,129 $(3,371)$4,758 
Schedule of future expected amortization of intangible assets Future expected amortization of intangible assets at September 30, 2021, is as follows:
Year Ending September 30,Amortization
 (in thousands)
2022$1,330 
20231,187 
2024649 
2025287 
2026— 
Thereafter— 
Total$3,453