Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Equipment Loans - Additional Information (Details)

Long-Term Debt - Equipment Loans - Additional Information (Details)	1 Months Ended		12 Months Ended
	Dec. 31, 2022 USD ($) option	Dec. 31, 2021 USD ($) executive	Sep. 30, 2023 USD ($) executive	Sep. 30, 2022 USD ($)
Equipment loans
Debt Instrument [Line Items]
Credit balance outstanding			$ 5,300,000
Marquis
Debt Instrument [Line Items]
Debt face amount	$ 5,700,000	$ 5,500,000
Number of periodic payments \| executive		60
Debt periodic payment	$ 79,000	$ 92,000
Debt stated interest rate (in percent)		3.75%	6.50%
Debt final payment			$ 650,000
Credit balance outstanding			3,900,000	$ 4,800,000
Note #3 Payable to Banc of America Leasing & Capital \| Equipment loans \| Marquis
Debt Instrument [Line Items]
Debt face amount			$ 3,700,000
Number of periodic payments \| executive			84
Debt periodic payment			$ 52,000
Debt stated interest rate (in percent)			4.80%
Credit balance outstanding			$ 154,000	751,000
Note #4 Payable to Banc of America Leasing & Capital \| Equipment loans \| Marquis
Debt Instrument [Line Items]
Debt face amount			$ 1,100,000
Number of periodic payments \| executive			81
Debt periodic payment			$ 16,000
Debt stated interest rate (in percent)			4.90%
Credit balance outstanding			$ 47,000	231,000
Note #5 Payable to Bank of America Leasing & Capital \| Equipment loans \| Marquis
Debt Instrument [Line Items]
Debt face amount			$ 4,000,000
Number of periodic payments \| executive			84
Debt periodic payment			$ 55,000
Debt stated interest rate (in percent)			4.70%
Credit balance outstanding			$ 799,000	1,400,000
Note #6 Payable to Bank of America Leasing & Capital \| Marquis
Debt Instrument [Line Items]
Debt face amount			$ 913,000
Number of periodic payments \| executive			60
Debt periodic payment			$ 14,000
Debt stated interest rate (in percent)			4.70%
Debt final payment			$ 197,000
Credit balance outstanding			317,000	471,000
Note #7 Payable to Banc of America Leasing & Capital \| Marquis
Debt Instrument [Line Items]
Debt face amount			$ 5,000,000
Number of periodic payments \| executive			84
Debt periodic payment			$ 59,000
Debt stated interest rate (in percent)			3.20%
Debt final payment			$ 809,000
Credit balance outstanding			2,900,000	3,500,000
Note #8 Payable to Banc of America Leasing & Capital \| Marquis
Debt Instrument [Line Items]
Debt face amount			$ 3,400,000
Number of periodic payments \| executive			84
Debt periodic payment			$ 46,000
Debt stated interest rate (in percent)			4.00%
Credit balance outstanding			$ 2,000,000	$ 2,500,000
Banc Note Payable Bank Ten \| Marquis
Debt Instrument [Line Items]
Number of periodic payments \| option	84