CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2022	Sep. 30, 2021
Current assets:
Cash and cash equivalents	$ 25,625	$ 71,621
Restricted cash	520	61
Accounts receivable, net of credit loss of $337 and $260, respectively	18,073	31,849
Contract assets	4,560	361
Inventory	37,035	32,309
Prepaid expenses and other current assets	7,124	6,877
Assets held for sale	0	1,241
Total current assets	92,937	144,319
Property, plant, and equipment, net	37,867	22,544
Goodwill	17,894	69
Operating lease right-of-use assets	23,243	13,489
Other intangible assets, net	14,790	167
Other non-current assets	2,351	225
Total assets	189,082	180,813
Current liabilities:
Accounts payable	12,729	16,686
Accrued expenses and other current liabilities	8,124	9,568
Loan payable - current	852	0
Contract liabilities	5,300	368
Operating lease liabilities - current	2,213	1,198
Total current liabilities	29,218	27,820
Operating lease liabilities - non-current	21,625	12,684
Line of credit	9,599	0
Loan payable - non-current	5,042	0
Asset retirement obligations	4,664	2,049
Other long-term liabilities	106	794
Total liabilities	70,254	43,347
Commitments and contingencies (Note 11)
Shareholders’ equity:
Common stock, no par value, 50,000 shares authorized; 44,497 shares issued and 37,591 shares outstanding as of September 30, 2022; 43,890 shares issued and 36,984 shares outstanding as of September 30, 2021	787,347	782,266
Treasury stock at cost; 6,906 shares	(47,721)	(47,721)
Accumulated other comprehensive income	1,301	687
Accumulated deficit	(622,099)	(597,766)
Total shareholders’ equity	118,828	137,466
Total liabilities and shareholders’ equity	$ 189,082	$ 180,813