CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2024	Sep. 30, 2023
Current assets:
Cash and cash equivalents	$ 11,495	$ 26,211
Restricted cash	495	495
Accounts receivable, net of allowances for credit losses of $299 and $356, respectively	13,901	15,575
Contract assets	8,097	8,402
Inventory	32,124	28,905
Prepaid expenses	3,721	4,612
Other current assets	397	922
Assets held for sale	3,552	7,264
Total current assets	73,782	92,386
Property, plant, and equipment, net	13,717	15,517
Operating lease right-of-use assets	20,051	21,564
Other intangible assets, net	11,258	12,245
Other non-current assets	2,189	2,201
Total assets	120,997	143,913
Current liabilities:
Accounts payable	8,591	9,683
Accrued expenses and other current liabilities	7,637	8,471
Contract liabilities	2,278	1,630
Financing payable	0	460
Loan payable - current	852	852
Operating lease liabilities - current	3,148	3,033
Liabilities held for sale	37	4,662
Total current liabilities	22,543	28,791
Line of credit	4,582	6,418
Loan payable - non-current	2,904	3,330
Operating lease liabilities - non-current	19,309	20,882
Asset retirement obligations	4,316	4,194
Other long-term liabilities	8	8
Total liabilities	53,662	63,623
Commitments and contingencies
Shareholders’ equity:
Common stock, no par value, 100,000 shares authorized; 8,895 shares issued and 8,204 shares outstanding as of March 31, 2024; 8,401 shares issued and 7,711 shares outstanding as of September 30, 2023	826,338	825,119
Treasury stock at cost; 691 shares as of March 31, 2024 and September 30, 2023	(47,721)	(47,721)
Accumulated other comprehensive income	350	350
Accumulated deficit	(711,632)	(697,458)
Total shareholders’ equity	67,335	80,290
Total liabilities and shareholders’ equity	$ 120,997	$ 143,913