Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating activities:
Net loss	$ (3,923)	$ (762)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	599	731
Gain on disposal of fixed assets	(84)	(108)
Non-cash interest	116	16
Non-cash rent	(1)	5
Stock-based compensation	1,184	921
Provision for reserve on accounts receivable	143	(143)
Provision for excess and obsolete inventory	825	211
Changes in operating assets and liabilities:
Accounts receivable	(1,589)	38
Inventories	659	104
Prepaid and other assets	465	(29)
Accounts payable	428	(308)
Accrued liabilities	189	266
Net cash (used in) provided by operating activities	(989)	942
Investing activities:
Purchases of property and equipment and intangible assets	(810)	(1,079)
Proceeds from sale of fixed assets	165	125
Net cash used in investing activities	(645)	(954)
Financing activities:
Payments on financing leases	(22)	(34)
Costs associated with refinancing		(32)
Payments on long-term debt		(484)
Borrowings on line of credit	26,567	9,331
Repayments of line of credit	(26,451)	(9,009)
Proceeds from private placement, net of cash issuance costs		18,426
Net cash provided by financing activities	94	18,198
Net change in cash and cash equivalents and restricted cash	(1,540)	18,186
Cash and cash equivalents and restricted cash at beginning of period	18,387	2,341
Cash and cash equivalents and restricted cash at end of period	16,847	20,527
Reconciliation of cash and restricted cash reported in the condensed consolidated balance sheets
Cash and cash equivalents	16,495	20,312
Restricted cash	352	215
Total cash and restricted cash reported in the condensed consolidated balance sheets	$ 16,847	$ 20,527