Unaudited 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	$ (507)	$ (4,093)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation of leasehold improvements and equipment	348	460
Amortization of intangibles	75	80
Amortization of right of use assets	337	344
Share-based compensation expense	2,169	2,597
(Gain) Loss on disposal of leasehold improvements and equipment	1	(5)
Allowance for credit losses	47	751
Non-cash financing costs	41	42
Changes in operating assets and liabilities:
Trade receivables	(2,631)	1,584
Inventories	3,014	2,704
Implementation costs for cloud computing arrangement	0	(60)
Prepaid expenses and other assets	321	1,019
Accounts payable	(2,127)	352
Accrued expenses	(872)	742
Deferred revenue	0	(149)
Customer deposits and other	(37)	11
Operating lease liabilities	(148)	(307)
Net cash provided by operating activities	31	6,072
Cash Flows From Investing Activities
Purchases of leasehold improvements and equipment	(53)	(101)
Proceeds from the sale of leasehold improvements and equipment, net	0	5
Net cash used in investing activities	(53)	(96)
Cash Flows From Financing Activities
Proceeds from exercise of stock options	598	0
Payment of debt issuance costs	(11)	0
Principal payments on finance leases	(5)	(11)
Net cash provided by (used in) financing activities	582	(11)
Net increase in cash and cash equivalents	560	5,965
Cash and cash equivalents, including restricted cash of $152 for both periods - beginning of period	27,325	20,441
Cash and cash equivalents, including restricted cash of $152 for both periods - end of period	27,885	26,406
Supplemental Disclosures of Cash Flow Information
Cash payments for principal on operating lease liabilities	223	342
Supplemental Schedule of Noncash Operating Activity
Adjustment to retained earnings, cumulative effect of initially adopting ASC 326	$ (30,718)	$ (27,150)