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Debt (Details) $ in Thousands									1 Months Ended			3 Months Ended		9 Months Ended		12 Months Ended
Debt (Details) $ in Thousands	Nov. 01, 2021	Sep. 20, 2021	Aug. 12, 2021	Jun. 15, 2021 USD ($)	May 25, 2021 USD ($)	May 14, 2021	Oct. 22, 2020	Apr. 22, 2020 USD ($)	May 31, 2021 USD ($)	Sep. 30, 2020	Apr. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) Payment	Sep. 30, 2020 USD ($) Payment	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)	Mar. 31, 2021 USD ($)
Debt Instrument [Line Items]
Loss on extinguishment of debt												$ 0	$ 0	$ (182)	$ (172)
Cash and cash availability												114,896		114,896		$ 17,009
Proceeds from lines of credit														8,182	10,533
Total debt												18,935		18,935		12,395
Line of Credit [Member]
Debt Instrument [Line Items]
Borrowing capacity												17,500		$ 17,500
Debt instrument, Maturity date														Apr. 22, 2024
Line of credit facility, Description														the Company's line of credit (the "SVB Revolver") had a borrowing capacity of $17,500 and a maturity date of April 22, 2024. As of September 30, 2021, the SVB Revolver bore interest at an annual rate equal to (i) the greater of the bank’s prime rate plus 0.75% or 5.50% when the streamline period is in effect and (ii) the greater of the bank’s prime rate plus 1.25% or 6.00% at all other times. Each streamline period commences the first day of the month following a written report of the Company’s liquidity and ends the first day after the Company fails to maintain a required cash and cash availability streamline threshold, provided no event of default has occurred and is continuing. If an event of default has occurred and is continuing, SVB may maintain the Company’s streamline status at its discretion
Cash and cash availability					$ 5,000							8,000		$ 8,000		7,000	$ 6,000
Draw against line of credit												11,125		$ 11,125		9,700
Proceeds from lines of credit									$ 50,000
Line of credit facility, Initiation date						May 31, 2021								Apr. 22, 2022
Line of credit facility, Expiration date						Jul. 31, 2021								Apr. 22, 2024
Line of credit facility, Extended initiation date		Sep. 30, 2021	Aug. 15, 2021		Jul. 15, 2021
Line of credit facility, Extended expiration date		Nov. 15, 2021	Sep. 30, 2021		Aug. 15, 2021
Term Note Payable to SVB [Member]
Debt Instrument [Line Items]
Loss on extinguishment of debt													0	$ 182	$ 172
Additional borrowing					$ 5,000			$ 1,000								2,000
Debt instrument repayment term	30 months						36 months
Borrowing capacity																2,000
Debt instrument, Maturity date								Apr. 01, 2024
Aggregate principal amount												15,000		15,000		10,000
Total debt												15,000		15,000		10,000
Small Business Administration Paycheck Protection Program Note Payable [Member]
Debt Instrument [Line Items]
Interest rate											1.00%
Proceeds from issuance of debt											$ 2,075
Received forgiveness from loan														2,098
Received forgiveness of loan, principal amount				$ 2,075
Received forgiveness of loan, interest amount				$ 24
Total debt																2,075
Financed Insurance Premium [Member]
Debt Instrument [Line Items]
Financed insurance liability to be paid												$ 4,699	$ 637
Number of monthly payments \| Payment												10	10
Financed insurance premium accrued interest rate										4.09%		3.59%
Total debt												$ 3,935		$ 3,935		$ 320
Maximum [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Interest rate												6.00%		6.00%
Borrowing capacity					17,500							$ 8,000		$ 8,000
Minimum [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Interest rate												1.25%		1.25%
Borrowing capacity					$ 12,500							$ 7,000		$ 7,000
Prime Rate [Member] \| Maximum [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Interest rate												5.50%		5.50%
Prime Rate [Member] \| Maximum [Member] \| Term Note Payable to SVB [Member]
Debt Instrument [Line Items]
Debt instrument, Basis spread on variable rate	6.50%							7.50%
Prime Rate [Member] \| Minimum [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Interest rate												0.75%		0.75%
Prime Rate [Member] \| Minimum [Member] \| Term Note Payable to SVB [Member]
Debt Instrument [Line Items]
Debt instrument, Basis spread on variable rate	3.50%							4.50%