Organization and Summary of Significant Accounting Policies - Schedule of Effect of Restatement on Previously Reported Consolidated Statement of Cash Flows (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net loss		$ (41,270)	$ (34,683)	$ (23,082)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization		8,429	4,551	5,143
Impairment of long-lived assets and non-cash restructuring		827	4,425	6,472
Amortization of deferred financing costs		173	12	149
Stock-based compensation		15,802	8,990	4,613
Provision for inventory write-down		4,946	4,064	5,531
Provision for credit losses, net of recoveries		(229)	14,491	3,833
Provision for sales returns		2,556	1,132	1,303
Provision for warranty expense		656	798	1,072
Unrealized loss on foreign currency transactions		448	335	2,875
Subsidiary dissolution		(68)
Loss (gain) of disposal of property, plant and equipment		(135)	(468)	18
Deferred taxes			1,329	316
Changes in operating assets and liabilities excluding effects of acquisition:
Accounts receivable		(49,266)	(6,624)	(18,782)
Other receivable		(9,520)	(4,780)	822
Inventories		(43,994)	(23,241)	(6,916)
Contract assets		1,488	3,915	11,341
Prepaid expenses and other assets		(5,402)	(2,965)	703
Accounts payable		59,139	19,092	11,136
Contract liabilities		5,241	2,215	13
Accrued and other liabilities		(408)	(6,006)	(2,839)
Net cash provided by (used in) operating activities		(50,587)	(14,326)	5,064
Cash flows from investing activities:
Proceeds from disposal of property, plant and equipment and other assets		165	561
Purchases of property, plant and equipment		(4,532)	(5,585)	(2,270)
Acquisition of business, net of cash acquired		(23,647)	(4,459)
Net cash used in investing activities		(28,014)	(9,483)	(2,270)
Cash flows from financing activities:
Proceeds from issuance of common stock in public offerings, net of issuance costs		30,774	59,525
Proceeds from long-term borrowings		25,000
Repayments of long-term borrowings		(625)		(13,125)
Proceeds from short-term borrowings and line of credit, net		4,000		13,774
Proceeds from related party term loan		5,041		18,341
Payments for debt issue costs		(839)
Payment of contingent consideration		(558)
Proceeds from exercise of stock awards and employee stock plan purchases		1,975	6,829	3,685
Net cash provided by financing activities		64,768	23,778	17,624
Effect of exchange rate changes on cash, cash equivalents and restricted cash		(1,342)	(917)	534
Net change in cash, cash equivalents and restricted cash		(15,175)	(948)	20,952
Cash, cash equivalents and restricted cash at beginning of period		53,639	54,587	33,635
Cash, cash equivalents and restricted cash at end of period		38,464	53,639	$ 54,587
Previously Reported
Cash flows from operating activities:
Net loss		(37,431)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization		8,429
Impairment of long-lived assets and non-cash restructuring		827
Amortization of deferred financing costs		173
Stock-based compensation		15,802
Provision for inventory write-down		4,946
Provision for credit losses, net of recoveries		(229)
Provision for sales returns		2,556
Provision for warranty expense		656
Unrealized loss on foreign currency transactions		448
Subsidiary dissolution		(68)
Loss (gain) of disposal of property, plant and equipment		(135)
Changes in operating assets and liabilities excluding effects of acquisition:
Accounts receivable		(68,575)
Other receivable		(9,520)
Inventories		(28,219)
Contract assets		1,488
Prepaid expenses and other assets		(6,363)
Accounts payable		61,697
Contract liabilities		1,031
Accrued and other liabilities		1,589
Net cash provided by (used in) operating activities		(50,898)
Cash flows from investing activities:
Proceeds from disposal of property, plant and equipment and other assets		165
Purchases of property, plant and equipment		(4,532)
Acquisition of business, net of cash acquired		(23,647)
Net cash used in investing activities		(28,014)
Cash flows from financing activities:
Proceeds from issuance of common stock in public offerings, net of issuance costs		30,774
Proceeds from long-term borrowings		25,000
Repayments of long-term borrowings		(625)
Proceeds from short-term borrowings and line of credit, net		4,000
Proceeds from related party term loan		5,041
Payments for debt issue costs		(839)
Payment of contingent consideration		(558)
Proceeds from exercise of stock awards and employee stock plan purchases		1,975
Net cash provided by financing activities		64,768
Effect of exchange rate changes on cash, cash equivalents and restricted cash		(1,031)
Net change in cash, cash equivalents and restricted cash		(15,175)
Cash, cash equivalents and restricted cash at beginning of period		53,639
Cash, cash equivalents and restricted cash at end of period		38,464	$ 53,639
Adjustments
Cash flows from operating activities:
Net loss	[1],[2]	(3,839)
Changes in operating assets and liabilities excluding effects of acquisition:
Accounts receivable	[1],[3]	19,309
Inventories	[1],[3]	(15,775)
Prepaid expenses and other assets	[2]	961
Accounts payable	[3]	(2,558)
Contract liabilities	[1]	4,210
Accrued and other liabilities	[2]	(1,997)
Net cash provided by (used in) operating activities		311
Cash flows from financing activities:
Effect of exchange rate changes on cash, cash equivalents and restricted cash	[1]	$ (311)

[1] Error corrections relating to the timing of revenue recognition with respect to certain customer projects.

[2] Tax impact of the error corrections relating to the timing of revenue recognition with respect to certain customer projects.

[3] Error corrections relating to the classification of certain transactions on the Company's previously reported consolidated balance sheet.