Summary of Business and Significant Accounting Policies - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		12 Months Ended
	Aug. 31, 2021	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022		Aug. 03, 2021
Summary Of Significant Accounting Policies [Line Items]
Net loss		$ (5,783)	$ (1,999)	$ (18,227)
Accumulated deficit		(328,117)		(322,334)	[1]
Cash, cash equivalents and restricted cash		23,716
Aggregate offering price	$ 22,800					$ 22,800
Allowance for doubtful accounts		580		736
Allowance for potential customer revenue credits		87		110
Impairment of long-lived assets held-for-use		$ 0		$ 0
Accounting Standards Update 2019-12 [Member]
Summary Of Significant Accounting Policies [Line Items]
Accounting standards update, adopted [true false]		true
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Aggregate offering price	50,000					100,000
Offering costs	100,000
At-the-market Offering [Member]
Summary Of Significant Accounting Policies [Line Items]
Aggregate offering price	$ 50,000					50,000
2021 Equity Distribution Agreement [Member] | JMP Securities [Member]
Summary Of Significant Accounting Policies [Line Items]
Issuance of common stock through equity distribution agreement, net of offering costs (in shares)		1,073,000		1,073,000
Issuance of common stock through equity distribution agreement, net of offering costs				$ 1,333
Offering costs		$ 95		$ 95
Weighted average sales price (in dollars per share)				$ 1.33
2021 Equity Distribution Agreement [Member] | At-the-market Offering [Member] | JMP Securities [Member]
Summary Of Significant Accounting Policies [Line Items]
Aggregate offering price						$ 50,000

[1] Derived from the Company’s audited consolidated financial statements as of December 31, 2022.