Organization and Summary of Significant Accounting Policies - Effects of Restatement, Unaudited Condensed Consolidated Statement of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Cash flows from operating activities:
Net loss	$ (23,817)	$ (7,586)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	2,465	1,081
Amortization of deferred financing costs	60	0
Stock-based compensation	4,486	2,671
Provision for inventory write-down	1,086	705
Provision for credit losses, net of recoveries	(184)	(752)
Provision for sales returns	541	1,448
Provision for warranty expense	70	121
Unrealized loss on foreign currency transactions	1,396	874
Subsidiary dissolution	0	(68)
Loss on disposal of property, plant and equipment	40	0
Changes in operating assets and liabilities, excluding effects of acquisition:
Accounts receivable	26,466	6,418	$ 6,418
Other receivable	(7,449)	126	126
Inventories	(2,060)	(14,557)	(14,557)
Contract assets	(29)	1,261	1,261
Prepaid expenses and other assets	(3,818)	(4,557)	(4,557)
Accounts payable	(11,316)	1,586	1,586
Contract liabilities	(3,265)	(43)	(43)
Accrued and other liabilities	159	540	540
Net cash used in operating activities	(15,169)	(10,732)	(10,732)
Cash flows from investing activities:
Proceeds from disposal of property, plant and equipment and other assets	1,790	0
Purchases of property, plant and equipment	(775)	(1,317)	(1,317)
Net cash provided by (used in) investing activities	1,015	(1,317)	(1,317)
Cash flows from financing activities:
Repayments of long-term borrowings	(313)	0
Proceeds from short-term borrowings and line of credit, net	8,918	0
Proceeds from related party term loan	4,059	0
Repayments of related party term loan	(5,845)	0
Payments for debt issue costs	(122)	(178)
Proceeds from exercise of stock awards and employee stock plan purchases	(87)	156
Net cash provided by (used in) financing activities	6,610	(22)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	96	(903)
Net change in cash, cash equivalents and restricted cash	(7,448)	(12,974)
Cash, cash equivalents and restricted cash at beginning of period	38,464	53,639	53,639
Cash, cash equivalents and restricted cash at end of period	31,016	40,665	38,464
Previously Reported
Cash flows from operating activities:
Net loss	(17,135)	(3,048)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	2,465	1,081
Amortization of deferred financing costs	60
Stock-based compensation	4,486	2,671
Provision for inventory write-down	1,086	705
Provision for credit losses, net of recoveries	(184)	(752)
Provision for sales returns	541	1,448
Provision for warranty expense	70	121
Unrealized loss on foreign currency transactions	1,396	874
Subsidiary dissolution		(68)
Loss on disposal of property, plant and equipment	40
Changes in operating assets and liabilities, excluding effects of acquisition:
Accounts receivable	11,033		2,761
Other receivable	(5,511)		126
Inventories	7,051		(10,931)
Contract assets	(29)		1,261
Prepaid expenses and other assets	(3,138)		(7,577)
Accounts payable	(13,875)		1,586
Contract liabilities	(3,493)		(1,446)
Accrued and other liabilities	131		456
Net cash used in operating activities	(15,006)		(10,732)
Cash flows from investing activities:
Proceeds from disposal of property, plant and equipment and other assets	1,790
Purchases of property, plant and equipment	(775)		(1,317)
Net cash provided by (used in) investing activities	1,015		(1,317)
Cash flows from financing activities:
Repayments of long-term borrowings	(313)
Proceeds from short-term borrowings and line of credit, net	8,918
Proceeds from related party term loan	4,059
Repayments of related party term loan	(5,845)
Payments for debt issue costs	(122)	(178)
Proceeds from exercise of stock awards and employee stock plan purchases	(87)	156
Net cash provided by (used in) financing activities	6,610	(22)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(67)	(903)
Net change in cash, cash equivalents and restricted cash	(7,448)	(12,974)
Cash, cash equivalents and restricted cash at beginning of period	38,464	53,639	53,639
Cash, cash equivalents and restricted cash at end of period	31,016	40,665	38,464
Revision of Prior Period, Adjustment
Cash flows from operating activities:
Net loss	(6,682)	(4,538)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	0	0
Amortization of deferred financing costs	0
Stock-based compensation	0	0
Provision for inventory write-down	0	0
Provision for credit losses, net of recoveries	0	0
Provision for sales returns	0	0
Provision for warranty expense	0	0
Unrealized loss on foreign currency transactions	0	0
Subsidiary dissolution		0
Loss on disposal of property, plant and equipment	0
Changes in operating assets and liabilities, excluding effects of acquisition:
Accounts receivable	15,433		3,657
Other receivable	(1,938)		0
Inventories	(9,111)		(3,626)
Contract assets	0		0
Prepaid expenses and other assets	(680)		3,020
Accounts payable	2,559		0
Contract liabilities	228		1,403
Accrued and other liabilities	28		84
Net cash used in operating activities	(163)		0
Cash flows from investing activities:
Proceeds from disposal of property, plant and equipment and other assets	0
Purchases of property, plant and equipment	0		0
Net cash provided by (used in) investing activities	0		0
Cash flows from financing activities:
Repayments of long-term borrowings	0
Proceeds from short-term borrowings and line of credit, net	0
Proceeds from related party term loan	0
Repayments of related party term loan	0
Payments for debt issue costs	0	0
Proceeds from exercise of stock awards and employee stock plan purchases	0	0
Net cash provided by (used in) financing activities	0	0
Effect of exchange rate changes on cash, cash equivalents and restricted cash	163	0
Net change in cash, cash equivalents and restricted cash	0	0
Cash, cash equivalents and restricted cash at beginning of period	0	0	0
Cash, cash equivalents and restricted cash at end of period	$ 0	$ 0	$ 0