Debt	12 Months Ended
Sep. 30, 2020
Debt Disclosure [Abstract]
Debt	6. Debt On September 14, 2020, the Company entered into a secured revolving credit facility pursuant to a Loan and Security Agreement (the "Loan Agreement") with Bridgewater Bank (the “Bank”). The Loan Agreement provides for availability under a secured revolving line of credit of up to $25 million (the "Loan"). The outstanding balance on the Loan was zero at September 30, 2020. Availability under the Loan is subject to a borrowing base that equals 80% of the margin value of securities collateral that has been pledged to the Bank. The Loan will initially mature on September 14, 2021, but the maturity date may be extended by the Company for up to two extension periods of twelve months subject to certain conditions set forth in the Loan Agreement. The Company's obligations under the Loan Agreement are secured by substantially all of the Company’s and its material subsidiaries' assets, other than intellectual property, real estate and foreign assets, including equity in foreign subsidiaries. The Company has also pledged the stock of certain of its subsidiaries to secure such obligations. Interest under the Loan Agreement accrues at a rate per annum equal to the greater of (i) 3.25% per annum and (ii) the 90-day interest rate yield for U.S. Government Treasury Securities plus 2.75% per annum. A facility fee is payable on unused commitments at a rate of 0.075% quarterly. The Loan Agreement contains affirmative and negative covenants customary for a transaction of this type which, among other things, require the Company to meet certain financial tests, including (i) minimum liquidity, (ii) minimum current ratio, (iii) minimum adjusted EBITDA, and (iv) minimum tangible net worth. The Loan Agreement also contains covenants which, among other things, limit the Company's ability to incur additional debt, make certain investments, create or permit certain liens, create or permit restrictions on the ability of subsidiaries to pay dividends or make other distributions, consolidate or merge and engage in other activities customarily restricted in such agreements, in each case subject to exceptions permitted by the Loan Agreement. The Loan Agreement also contains customary events of default, the occurrence of which would permit the Bank to terminate its commitment and accelerate the Loan.

Debt

12 Months Ended

Sep. 30, 2020

6. Debt

On September 14, 2020, the Company entered into a secured revolving credit facility pursuant to a Loan and Security Agreement (the "Loan Agreement") with Bridgewater Bank (the “Bank”). The Loan Agreement provides for availability under a secured revolving line of credit of up to $25 million (the "Loan"). The outstanding balance on the Loan was zero at September 30, 2020.

Availability under the Loan is subject to a borrowing base that equals 80% of the margin value of securities collateral that has been pledged to the Bank. The Loan will initially mature on September 14, 2021, but the maturity date may be extended by the Company for up to two extension periods of twelve months subject to certain conditions set forth in the Loan Agreement. The Company's obligations under the Loan Agreement are secured by substantially all of the Company’s and its material subsidiaries' assets, other than intellectual property, real estate and foreign assets, including equity in foreign subsidiaries. The Company has also pledged the stock of certain of its subsidiaries to secure such obligations. Interest under the Loan Agreement accrues at a rate per annum equal to the greater of (i) 3.25% per annum and (ii) the 90-day interest rate yield for U.S. Government Treasury Securities plus 2.75% per annum. A facility fee is payable on unused commitments at a rate of 0.075% quarterly.

The Loan Agreement contains affirmative and negative covenants customary for a transaction of this type which, among other things, require the Company to meet certain financial tests, including (i) minimum liquidity, (ii) minimum current ratio, (iii) minimum adjusted EBITDA, and (iv) minimum tangible net worth. The Loan Agreement also contains covenants which, among other things, limit the Company's ability to incur additional debt, make certain investments, create or permit certain liens, create or permit restrictions on the ability of subsidiaries to pay dividends or make other distributions, consolidate or merge and engage in other activities customarily restricted in such agreements, in each case subject to exceptions permitted by the Loan Agreement. The Loan Agreement also contains customary events of default, the occurrence of which would permit the Bank to terminate its commitment and accelerate the Loan.