Condensed Consolidated Statements of Cash Flows - USD ($)	3 Months Ended		12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Cash flows from operating activities:
Net loss	$ (1,437,000)	$ (11,096,000)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization of property, plant and equipment	3,022,000	2,798,000
Amortization of intangible assets with finite lives	5,289,000	5,349,000
Amortization of stock-based compensation	2,645,000	904,000
Amortization of cost to fulfill assets	240,000	240,000
CEO transition costs related to equity-classified stock-based awards	0	3,764,000
Amortization of deferred financing costs	594,000	203,000
Changes in other liabilities	(1,033,000)	(1,033,000)
Loss on disposal of property, plant and equipment	6,000	71,000
Provision for allowance for doubtful accounts	143,000	242,000
Provision for excess and obsolete inventory	78,000	847,000
Deferred income tax expense (benefit)	1,114,000	(1,217,000)
Changes in assets and liabilities, net of effects of acquisitions and divestitures:
Accounts receivable	(26,269,000)	(5,318,000)
Inventories	2,656,000	(4,278,000)
Prepaid expenses and other current assets	997,000	1,581,000
Other assets	2,802,000	(714,000)
Accounts payable	5,100,000	(1,555,000)
Accrued expenses and other current liabilities	(6,538,000)	5,256,000
Contract liabilities	(685,000)	(3,048,000)
Other liabilities, non-current	145,000	(61,000)
Interest payable	58,000	78,000
Income taxes payable	(3,472,000)	790,000
Net cash used in operating activities	(14,545,000)	(6,197,000)	$ (4,433,000)	$ 1,997,000
Cash flows from investing activities:
Purchases of property, plant and equipment	(3,216,000)	(7,221,000)
Net cash used in investing activities	(3,216,000)	(7,221,000)
Cash flows from financing activities:
Net borrowings of long-term debt under Revolving Loan Facility	19,600,000	18,700,000
Repayment of debt under Term Loan	(625,000)	0
Cash dividends paid on common stock	(111,000)	(3,092,000)
Payment of deferred financing costs	(308,000)	0
Remittance of employees’ statutory tax withholding for stock awards	(1,682,000)	(2,332,000)
Proceeds from issuance of employee stock purchase plan shares	94,000	119,000
Repayment of principal amounts under finance lease liabilities	0	(2,000)
Net cash provided by financing activities	16,968,000	13,292,000
Net decrease in cash and cash equivalents, including cash classified within assets of disposal group held for sale	(793,000)	(126,000)
Less: net increase in cash classified within assets of disposal group held for sale	(52,000)	0
Net decrease in cash and cash equivalents, including cash classified within assets of disposal group held for sale	(845,000)	(126,000)
Cash and cash equivalents at beginning of period	18,961,000	21,654,000	21,654,000
Cash and cash equivalents at end of period	18,116,000	21,528,000	$ 18,961,000	$ 21,654,000
Cash paid (received) during the period for:
Interest	4,278,000	1,947,000
Income taxes, net	1,019,000	(181,000)
Non-cash investing and financing activities:
Accrued additions to property, plant and equipment	1,154,000	1,818,000
Adjustment to reflect redemption value of convertible preferred stock	1,823,000	1,710,000
Accrued deferred financing costs	444,000	0
Accrued remittance of employees' statutory tax withholdings	526,000	0
Cash dividends declared on common stock but unpaid (including accrual of dividend equivalents)	(23,000)	2,975,000
Reclassification of finance lease right-of-use assets to property, plant and equipment	0	12,000
Shelf Registration
Cash flows from financing activities:
Payment of issuance costs	$ 0	$ (101,000)