Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2023	Oct. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (4,480)	$ (5,145)
Adjustments to reconcile net loss to cash used in operating activities:
Depreciation and amortization expense	683	953
Stock compensation and warrant expense	12	23
Bad debt expense	57	29
Non-cash lease expense	218	267
Amortization of debt discount	697	204
Loss on derivative liabilities	612	3,076
(Gain) on settlement of conversion premium on Notes		(466)
Debt extension fee charged to interest expense		303
Common stock issued for debt extension charged to interest expense	42	249
Accounts receivable	(214)	(251)
Prepaid expenses and other current assets	(36)	(266)
Other assets	(27)	(74)
Right of use operating lease liability	(182)	(280)
Accounts payable	(1,575)	442
Accrued expenses	4,499	(110)
Deferred income	(24)	188
Net cash provided by (used in) operating activities	282	(858)
CASH FLOWS FROM INVESTING ACTIVITIES:
Cash paid in acquisition of equipment	(96)	(108)
Net cash used in investing activities	(96)	(108)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings from convertible debt, net of original issuance cost and discounts		957
Proceeds from the exercise of warrants		21
Borrowings from related party notes, net of original issuance cost and discounts		150
Principal payments on convertible debt, net		(250)
Principal payments on related party notes, net		(367)
Principal payment on equipment financing	(164)	(6)
Net cash (used in) provided by financing activities	(164)	505
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	22	(461)
CASH AND CASH EQUIVALENTS, beginning of period	924	1,509
CASH AND CASH EQUIVALENTS, end of period	946	1,048
SUPPLEMENTAL DISCLOSURES:
Cash paid for interest	21	905
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING ACTIVITIES
Accrued interest rolled into principal	3,653	365
Debt discount from common stock issued with debt		95
Common Stock issued for the conversion of Preferred Stock Series A		7
Dividends accrued		4
Right-of-use Assets recognized from operating and finance leases	$ 558