CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023
Current assets:
Cash and cash equivalents	$ 20,679	$ 26,211
Restricted cash	495	495
Accounts receivable, net of credit loss of $299 and $356, respectively	16,922	15,575
Contract assets	7,293	8,402
Inventory	31,954	28,905
Prepaid expenses	4,088	4,612
Other current assets	513	922
Assets held for sale	3,871	7,264
Total current assets	85,815	92,386
Property, plant, and equipment, net	14,605	15,517
Operating lease right-of-use assets	20,857	21,564
Other intangible assets, net	11,751	12,245
Other non-current assets	2,159	2,201
Total assets	135,187	143,913
Current liabilities:
Accounts payable	12,357	9,683
Accrued expenses and other current liabilities	8,880	8,471
Contract liabilities	1,894	1,630
Financing payable	184	460
Loan payable - current	852	852
Operating lease liabilities - current	3,093	3,033
Liabilities held for sale	356	4,662
Total current liabilities	27,616	28,791
Line of credit	4,650	6,418
Loan payable - non-current	3,117	3,330
Operating lease liabilities - non-current	20,101	20,882
Asset retirement obligations	4,255	4,194
Other long-term liabilities	8	8
Total liabilities	59,747	63,623
Commitments and contingencies
Shareholders’ equity:
Common stock, no par value, 100,000 shares authorized; 84,209 shares issued and 77,302 shares outstanding as of December 31, 2023; 84,014 shares issued and 77,108 shares outstanding as of September 30, 2023	825,948	825,119
Treasury stock at cost; 6,906 shares as of December 31, 2023 and September 30, 2023	(47,721)	(47,721)
Accumulated other comprehensive income	350	350
Accumulated deficit	(703,137)	(697,458)
Total shareholders’ equity	75,440	80,290
Total liabilities and shareholders’ equity	$ 135,187	$ 143,913