Condensed Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Operating activities
Net income	$ 9,309	$ 4,702
Adjustments to reconcile net income to net cash provided by operating activities:
Inventories allowances	871	27
Allowance for credit losses	0	122
Amortization of deferred finance and other assets	0	75
Depreciation and amortization	1,325	1,251
Loss on investments	0	91
Deferred taxes	168	0
Non-cash lease adjustments	(60)	(49)
Gain on sale of equipment	0	(2)
Changes in operating assets and liabilities:
Trade accounts receivable, net	(230)	(1,565)
Inventories	(1,810)	5,251
Prepaid expenses and other current assets	757	(832)
Other assets	(21)	35
Accounts payable	4,509	(3,931)
Long-term uncertain tax position liability	1,419	0
Accrued compensation and related taxes	203	782
Accrued warranty expense	(158)	184
Deferred revenue	(43)	1,430
Accrued other expenses and other current liabilities	(1,259)	765
Net cash provided by operating activities	16,435	8,961
Investing activities
Purchases of property, plant, and equipment	(878)	(871)
Capitalized product development cost	(1,516)	(751)
Net cash used in investing activities	(2,394)	(1,622)
Financing activities
Proceeds from common stock issuance	355	0
Proceeds from the credit facility and notes payable	0	46,359
Repayment of the credit facility and notes payable	0	(52,981)
Net cash provided by (used in) financing activities	355	(6,622)
Net change in cash and cash equivalents	14,396	717
Cash and cash equivalents, beginning of period	7,075	3,456
Cash and cash equivalents, end of period	21,471	4,173
Supplemental disclosure
Cash paid for interest	0	357
Non-cash financing activity
Common stock issued under restricted stock units	732	376
Cashless exercise of stock options, warrants and related conversion of net shares to stockholders' equity	146	0
Share-Based Payment Arrangement, Option [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Share-Based Payment Arrangement, Noncash Expense	624	210
Restricted Stock Units (RSUs) [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Share-Based Payment Arrangement, Noncash Expense	$ 831	$ 415