Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Cash flows from operating activities
Net (loss) income	$ (586)	$ 781
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	3,212	1,731
Gain on sale of property and equipment	(25)	0
Stock-based compensation	5,776	6,713
Changes in operating assets and liabilities:
Accounts receivable	3,621	(168)
Inventory	(1,624)	(719)
Prepaid expenses and other current assets	(605)	(284)
Other assets	360	(492)
Accounts payable	(501)	(374)
Accrued liabilities	806	(1,939)
Deferred revenue	(78)	(258)
Contract obligations	(562)	2,034
Lease liabilities, net	60	74
Long-term income tax liability	106	0
Net cash provided by operating activities	9,960	7,099
Cash flows from investing activities
Purchases of property and equipment	(6,838)	(3,049)
Purchases of intangible assets	(1,836)	(11)
Net cash used in investing activities	(8,674)	(3,060)
Cash flows from financing activities
Proceeds from exercise of stock options and purchase of shares in employee stock purchase plan	1,134	1,178
Payments on finance leases	(67)	(66)
Net cash provided by financing activities	1,067	1,112
Net increase in cash and cash equivalents	2,353	5,151
Cash and cash equivalents at beginning of period	42,097	36,946
Cash and cash equivalents at end of period	44,450	42,097
Supplementary cash flow information:
Cash paid for taxes	38	202
Operating cash flows paid for operating leases	1,415	1,399
Financing cash flows paid for finance leases	67	66
Non-cash investing and financing activities:
Internal-use software asset obtained in exchange for software liabilities	0	3,564
Right-of-use assets obtained in exchange for finance lease liabilities	0	297
Purchases of property and equipment in accounts payable and accrued liabilities	$ 3,982	$ 182