CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended
	Oct. 31, 2022	Oct. 31, 2021
Cash flows from operating activities:
Net income (loss)	$ 4,957,000	$ (19,494,000)
Less: Loss from discontinued operations, net of tax	0	(18,511,000)
Net income (loss) from continuing operations	4,957,000	(983,000)
Adjustments to reconcile net income (loss) to cash flows from operating activities:
Depreciation	459,000	630,000
Amortization of deferred financing costs	12,000	34,000
Accretion of debt discount	510,000	386,000
Share-based compensation	177,000	191,000
Non-cash lease expense	2,230,000	2,391,000
Bad debt expense (recovery)	960,000	(5,000.0)
Other (gains) losses, net	(2,885,000)	481,000
Changes in operating assets and liabilities:
Accounts receivable, net	3,026,000	(875,000)
Inventories, net	(1,077,000)	(624,000)
Prepaid expenses and other current assets	(168,000)	737,000
Accounts payable, accrued restructuring and accrued expenses	1,553,000	(2,039,000)
Refundable and accrued income taxes, net	118,000	(268,000)
Other assets and liabilities	(1,620,000)	(3,876,000)
Net cash provided by (used in) operating activities	8,252,000	(3,820,000)
Cash flows from investing activities:
Additions of property and equipment	(548,000)	(363,000)
Proceeds from the disposition of property and equipment	16,000	0
Net cash used in investing activities	(532,000)	(363,000)
Cash flows from financing activities:
Preferred dividend payments	(537,000)	(537,000)
Repayments on capital lease obligations	(19,000)	(18,000)
Proceeds from issuance of common stock	0	1,000
Net cash used in financing activities	(556,000)	(554,000)
Net effect of exchange rate changes on cash, cash equivalents and restricted cash	(405,000)	(121,000)
Net increase (decrease) in cash, cash equivalents and restricted cash	6,759,000	(4,858,000)
Cash, cash equivalents and restricted cash, beginning of period	58,045,000	66,329,000
Cash, cash equivalents and restricted cash, end of period	64,804,000	61,471,000
Cash and cash equivalents, end of period	59,948,000	54,940,000
Restricted cash for funds held for clients, end of period	4,856,000	6,531,000
Cash flows from discontinued operations:
Operating activities	0	(6,606,000)
Investing activities	0	(4,318,000)
Financing activities	0	(1,500,000)
Net cash used in discontinued operations	$ 0	$ (12,424,000)