CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (3,299)	$ (5,323)
Adjustments to reconcile net loss to net cash flows used in operating activities:
Depreciation and amortization	601	621
Amortization of operating lease right-of-use asset	114	99
Amortization of finance lease right-of-use asset	35	43
Amortization of deferred financing costs, debt discounts and debt premiums	1	1
Stock-based compensation	656	802
Value of stock issued in payment of services	251
Provision for credit losses	112	124
Changes in operating assets and liabilities:
Accounts receivable	82	28
Inventories	(269)	171
Other assets	188	192
Accounts payable	233	353
Operating lease liabilities	(116)	(97)
Deferred revenue	150	(102)
Accrued expenses	1,094	311
Net cash used in operating activities	(167)	(2,777)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(70)	(54)
Net cash used in investing activities	(70)	(54)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal payments on finance lease obligations	(35)	(44)
Deposits on finance lease right-of-use assets	(28)
Issuance of common stock, net of issuance costs	78	2,245
Proceeds from debt	250
Principal payments on long-term debt	(251)	(242)
Net cash flows provided by financing activities	14	1,959
NET CHANGE IN CASH	(223)	(872)
CASH AT BEGINNING OF PERIOD	1,502	3,445
CASH AT END OF PERIOD	1,279	2,573
SUPPLEMENTAL CASH FLOW INFORMATION
Cash paid during the period for interest	24	18
SUPPLEMENTAL DISCLOSURE OF CONSULTING SERVICES OR ANY OTHER NON-CASH COMMON STOCK RELATED ACTIVITY
Purchases of equipment financed through accounts payable		7
Operating lease right-of-use assets obtained in exchange for operating lease obligations	0	58
Finance lease right-of-use assets obtained in exchange for finance lease obligations	$ 205	$ 0