Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Cash flows from operating activities
Net loss	$ (22,778)	$ (28,048)	$ (162,800)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	2,109	3,386
Depreciation and amortization	1,991	1,409
Amortization of contract acquisition costs	1,391	2,178
Amortization of debt issuance costs	571	552
Unrealized gain on foreign exchange forward	0	(623)
Accretion of discount on investment securities and investment income, net	0	(34)
Deferred tax assets	45	13
Provision for credit losses	2,181	225
Changes in assets and liabilities:
Accounts receivable	3,921	(6,410)
Inventories	(11,461)	(6,163)
Other current assets and prepaid expenses	560	(2,053)
Other long-term assets	(240)	(2,011)
Accounts payable	(6,513)	(1,330)
Accrued liabilities	(7,916)	1,706
Operating leases, net	(30)	(16)
Deferred revenue	(1,461)	201
Net cash used in operating activities	(37,630)	(37,018)
Cash flows from investing activities
Acquisition of property and equipment	(335)	(10,353)
Proceeds from Sale of Property, Plant, and Equipment	57	0
Proceeds from maturities of marketable investments	0	94,154
Purchase of marketable investments	0	(23,467)
Net cash provided by (used in) investing activities	(278)	60,334
Cash flows from financing activities
Proceeds from exercise of stock options and employee stock purchase plan	0	109
Taxes paid related to net share settlement of equity awards	(64)	(2,397)
Payments on finance lease obligations	(196)	(124)
Net cash used in financing activities	(260)	(2,412)
Net increase (decrease) in cash, cash equivalents and restricted cash	(38,168)	20,904
Cash, cash equivalents, and restricted cash at beginning of period	143,612	146,624	146,624
Cash, cash equivalents, and restricted cash at end of period	105,444	167,528	$ 143,612
Supplemental non-cash operating, investing, and financing activities:
Assets acquired under finance lease	0	33
Assets acquired under operating lease	2,749	57
Acquisition of property and equipment	0	6,894
Supplemental disclosure of cash flow information:
Cash paid for interest	817	778
Cash paid for income taxes	$ 804	$ 483