Note 3 - Discontinued Operations (Tables)

6 Months Ended

Mar. 31, 2025

Notes Tables

Disposal Groups, Including Discontinued Operations [Table Text Block]

	Three Months Ended March 31,						Six Months Ended March 31,
	2025			2024			2025			2024
Revenue
Products	$	15,886		$	20,245		$	30,174		$	29,931
Services		1,320			2,534			4,623			5,440
Total revenue		17,206			22,779			34,797			35,371
Cost of revenue
Products		10,118			17,642			21,540			27,698
Services		1,415			2,415			4,721			5,183
Total cost of revenue		11,533			20,057			26,261			32,881
Gross profit		5,673			2,722			8,536			2,490
Operating expenses
Research and development		1,201			973			2,836			2,153
Selling, general and administrative		7,729			9,256			13,916			17,943
Impairment of goodwill and intangible assets		-			111,317			-			111,317
Loss on assets held for sale		24,187			-			24,187			-
Restructuring charges		364			3,917			678			4,251
Total operating expenses		33,481			125,463			41,617			135,664
Operating loss		(27,808	)		(122,741	)		(33,081	)		(133,174	)
Interest income (expense), net		(15	)		85			(10	)		212
Other income (expense), net		(604	)		518			(74	)		682
Loss before income taxes		(28,427	)		(122,138	)		(33,165	)		(132,280	)
Income tax benefit		(6,536	)		(1,460	)		(7,355	)		(3,070	)
Loss from discontinued operations, net of tax	$	(21,891	)	$	(120,678	)	$	(25,810	)	$	(129,210	)

Disposal Groups, Including Discontinued Operations, Statement of Cash Flows [Table Text Block]

	Three Months Ended March 31,				Six Months Ended March 31,
	2025		2024		2025		2024
Depreciation and amortization	$	-	$	7,733	$	3,846	$	14,952
Capital expenditures		371		751		1,128		1,997
Impairment of goodwill		-		111,317		-		111,317
Loss on assets held for sale		24,187		-		24,187		-

Schedule of Disposal Groups, Including Discontinued Operations, Balance Sheet [Table Text Block]

	March 31, 2025			September 30, 2024
Assets
Cash and cash equivalents	$	27,025		$	30,899
Accounts receivable, net		13,061			16,438
Inventories		33,800			36,333
Prepaid expenses and other current assets		5,868			5,224
Current assets held for sale	$	79,754		$	88,894
Property, plant and equipment, net	$	45,609		$	47,032
Intangibles, net		116,230			122,988
Other assets		3,390			3,774
Valuation allowance		(24,266	)		-
Noncurrent assets held for sale	$	140,963		$	173,794
Liabilities
Accounts payable	$	9,247		$	11,089
Deferred revenue		2,082			1,485
Accrued warranty and retrofit costs		4,969			4,916
Accrued compensation and benefits		3,428			2,929
Accrued income taxes		706			4,012
Accrued expenses and other current liabilities		8,501			5,619
Current liabilities held for sale	$	28,933		$	30,050
Long-term deferred tax liabilities		28,108			36,093
Long-term operating lease liabilities		1,877			2,109
Other long-term liabilities		3,102			3,994
Noncurrent liabilities held for sale	$	33,087		$	42,196