CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (884)	$ (2,079)
Adjustments to reconcile net loss to net cash flows used in operating activities:
Depreciation and amortization	324	304
Amortization of operating lease right-of-use asset	57	56
Amortization of finance lease right-of-use asset	36	18
Stock-based compensation	423	357
Value of stock issued in payment of Board fees and consulting services	65
Provision for credit losses	(38)	83
Derecognition of operating lease right-of-use asset and liability	(11)
Changes in operating assets and liabilities:
Accounts receivable	(139)	312
Inventories	(101)	(148)
Other assets	73	126
Accounts payable	288	283
Operating lease liabilities	(54)	(57)
Deferred revenue	57	83
Accrued expenses	(140)	(5)
Net cash used in operating activities	(44)	(667)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(138)
Net cash used in investing activities	(138)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal payments on finance lease obligations	(33)	(17)
Issuance of common stock, net of issuance costs		67
Principal payments on long-term debt	(157)	(109)
Net cash flows used in financing activities	(190)	(59)
NET CHANGE IN CASH	(372)	(726)
CASH AT BEGINNING OF PERIOD	1,389	1,502
CASH AT END OF PERIOD	1,017	776
SUPPLEMENTAL CASH FLOW INFORMATION
Cash paid during the period for interest	30	9
SUPPLEMENTAL DISCLOSURE OF CONSULTING SERVICES OR ANY OTHER NON-CASH COMMON STOCK RELATED ACTIVITY
Operating lease right-of-use assets obtained in exchange for operating lease obligations	$ 1,237	$ 0