Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Operating activities
Net income (loss)	$ 4,702	$ (2,520)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Inventories allowances	27	(61)
Allowance for credit losses on accounts receivable	122	0
Amortization of deferred financing costs and other assets	75	113
Depreciation and amortization	1,251	1,218
Gain on sale of equipment	(2)	0
Loss on investments	91	831
Changes in operating assets and liabilities:
Trade accounts receivable	(1,565)	1,506
Inventories	5,251	593
Prepaid expenses and other current assets	(832)	(385)
Capitalized product development cost	(751)	0
Other assets	35	(277)
ROU assets and lease liabilities	(49)	(38)
Accounts payable	(3,931)	(1,135)
Accrued compensation and related taxes	782	412
Accrued warranty expense	184	145
Deferred revenue	1,430	2,660
Accrued other expenses and other current liabilities	765	(58)
Net cash provided by operating activities	8,210	3,940
Investing activities
Purchases of property, plant, and equipment	(871)	(1,835)
Net cash used in investing activities	(871)	(1,835)
Financing activities
Proceeds from common stock issuance	0	63
Proceeds from the credit facility and notes payable	46,359	58,896
Repayment of the credit facility and notes payable	(52,981)	(58,916)
Net cash (used in) provided by financing activities	(6,622)	43
Net change in cash and cash equivalents	717	2,148
Cash and cash equivalents, beginning of period	3,456	1,918
Cash and cash equivalents, end of period	4,173	4,066
Supplemental disclosure
Cash paid for interest	357	487
Non-cash financing activity
Common stock issued under restricted stock units	376	556
Share-Based Payment Arrangement, Option [Member]
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Share-based compensation expense	210	163
Restricted Stock Units (RSUs) [Member]
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Share-based compensation expense	$ 415	$ 773