Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash Flows From Operating Activities
Net loss	$ (492)	$ (1,902)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation of leasehold improvements and equipment	178	228
Amortization of intangibles	38	41
Amortization of right of use assets	174	171
Share-based compensation expense	984	1,273
Allowance for credit losses	35	316
Non-cash financing costs	21	21
Changes in operating assets and liabilities:
Trade receivables	(1,405)	(1,084)
Inventories	2,030	2,769
Implementation costs for cloud computing arrangement	0	(27)
Prepaid expenses and other assets	106	616
Accounts payable	(2,333)	(728)
Accrued expenses	972	1,273
Customer deposits and other	35	(6)
Operating lease liabilities	(48)	(169)
Net cash provided by operating activities	295	2,792
Cash Flows From Investing Activities
Purchases of leasehold improvements and equipment	(41)	(91)
Net cash used in investing activities	(41)	(91)
Cash Flows From Financing Activities
Payment of debt issuance costs	(11)	0
Principal payments on finance leases	(3)	(1)
Net cash used in financing activities	(14)	(1)
Net increase in cash and cash equivalents	240	2,700
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	27,565	23,141
Supplemental Disclosures of Cash Flow Information
Cash payments for principal on operating lease liabilities	91	180
Supplemental Schedule of Noncash Operating Activity
Adjustment to retained earnings, cumulative effect of initially adopting ASC 326	$ (28,951)	$ (28,017)