Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash Flows From Operating Activities
Net loss	$ (5,052)	$ (15,122)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation of leasehold improvements and equipment	693	648
Amortization of intangibles	119	143
Amortization of right of use assets	520	638
Share-based compensation expense	3,714	4,413
(Gain) Loss on disposal of leasehold improvements and equipment	(5)	7
Provision for doubtful trade receivables	945	28
Non-cash financing costs	60	54
Changes in operating assets and liabilities:
Trade receivables	1,907	454
Inventories	2,053	(2,035)
Implementation costs for cloud computing arrangement	(60)	(281)
Prepaid expenses and other assets	767	(2,261)
Accounts payable	(481)	(1,304)
Accrued expenses	1,856	275
Deferred revenue	(149)	(118)
Customer deposits and other	35	2
Operating lease liabilities	(454)	(311)
Net cash provided by (used in) operating activities	6,468	(14,770)
Cash Flows From Investing Activities
Purchases of leasehold improvements and equipment	(127)	(162)
Proceeds from the sale of leasehold improvements and equipment, net	5	0
Net cash used in investing activities	(122)	(162)
Cash Flows From Financing Activities
Payment of debt issuance costs	0	(15)
Principal payments on finance leases	(14)	(10)
Net cash used in financing activities	(14)	(25)
Net increase (decrease) in cash and cash equivalents	6,332	(14,957)
Cash and cash equivalents, including restricted cash of $152 for both periods - beginning of period	20,441	28,219
Cash and cash equivalents, including restricted cash of $152 for both periods - end of period	26,773	13,262
Supplemental Disclosures of Cash Flow Information
Cash payments for principal on operating lease liabilities	508	372
Supplemental Schedule of Noncash Operating Activity
Adjustment to retained earnings, cumulative effect of initially adopting ASC 326	$ (27,308)	$ (21,023)