Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net loss	$ (5,549)	$ (2,706)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	5,293	3,736
Amortization of operating lease right-of-use assets	395	350
Amortization of deferred financing costs and debt discount	157	37
Provision for doubtful accounts	107	1
Stock-based compensation	1,466	1,643
Loss on disposal of property and equipment	52	140
Gain on forgiveness of debt	0	(2,029)
Deferred taxes	40	12
Changes in operating assets and liabilities:
Accounts receivable	(1,145)	(490)
Inventories	(1,524)	(45)
Prepaid expenses and other assets	(111)	(65)
Accounts payable	603	58
Accrued expenses and other liabilities	229	1,679
Deferred revenues	(644)	(444)
Operating lease liabilities	(477)	(369)
Net cash (used in) provided by operating activities	(1,108)	1,508
Cash flows from investing activities:
Purchase of property and equipment	(3,552)	(3,653)
Net cash used in investing activities	(4,183)	(7,126)
Cash flows from financing activities:
Payment of contingent consideration	(500)	0
Proceeds from long-term debt	0	8,000
Payment of deferred financing costs	0	(133)
Repayment of note payable	0	(7,275)
Repayments of long-term debt	0	(500)
Net cash (used in) provided by financing activities	(500)	92
Net decrease in cash, cash equivalents and restricted cash	(5,791)	(5,526)
Cash, cash equivalents and restricted cash, beginning of year	12,586	18,112
Cash, cash equivalents and restricted cash, end of year	6,795	12,586
Supplemental disclosure of cash flow information:
Cash paid during the year for interest	744	222
Cash paid during the year for income taxes	19	0
Supplemental disclosure of non-cash operating, investing and financing activities:
Change in operating lease right-of-use assets and liabilities due to new and amended leases	732	0
Inventories acquired in connection with TheraClear asset acquisition	71	0
Intangible assets acquired in connection with TheraClear asset acquisition	10,182	0
Contingent consideration issued in connection with TheraClear asset acquisition	9,122	0
Common stock issued in connection with TheraClear asset acquisition	500	0
Transfer of property and equipment to inventories	463	0
Issuance of common stock warrants in connection with Senior Term Facility	0	585
Assumed deferred revenues in connection with asset acquisition	0	1,841
TheraClear Corporation [Member]
Cash flows from investing activities:
Cash paid in connection with asset acquisition	(631)	0
RA Medical Systems, Inc. [Member]
Cash flows from investing activities:
Cash paid in connection with asset acquisition	$ 0	$ (3,473)