CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
Current assets:
Cash and cash equivalents	$ 26,211	$ 25,099
Restricted cash	495	520
Accounts receivable, net of credit loss of $356 and $337, respectively	15,575	13,823
Contract assets	8,402	3,803
Inventory	28,905	26,282
Prepaid expenses	4,612	4,061
Other current assets	922	1,335
Assets held for sale - current	7,264	0
Total current assets	92,386	74,923
Property, plant, and equipment, net	15,517	24,576
Goodwill	0	17,894
Operating lease right-of-use assets	21,564	23,144
Other intangible assets, net	12,245	14,790
Other non-current assets	2,201	2,351
Assets held for sale - non-current	0	31,404
Total assets	143,913	189,082
Current liabilities:
Accounts payable	9,683	10,379
Accrued expenses and other current liabilities	8,471	6,697
Contract liabilities	1,630	5,271
Loan payable - current	852	852
Financing payable	460	0
Operating lease liabilities - current	3,033	2,171
Liabilities held for sale - current	4,662	0
Total current liabilities	28,791	25,370
Line of credit	6,418	9,599
Operating lease liabilities - non-current	3,330	5,042
Loan payable - non-current	20,882	21,568
Asset retirement obligations	4,194	4,664
Other long-term liabilities	8	106
Liabilities held for sale - non-current	0	4,765
Total liabilities	63,623	71,114
Commitments and contingencies (Note 13)
Shareholders’ equity:
Common stock, no par value, 100,000 shares authorized; 84,014 shares issued and 77,108 shares outstanding as of September 30, 2023; 44,497 shares issued and 37,591 shares outstanding as of September 30, 2022	825,119	787,347
Treasury stock at cost; 6,906 shares as of September 30, 2023 and September 30, 2022	(47,721)	(47,721)
Accumulated other comprehensive income	350	441
Accumulated deficit	(697,458)	(622,099)
Total shareholders’ equity	80,290	117,968
Total liabilities and shareholders’ equity	$ 143,913	$ 189,082