Summary of Significant Accounting Policies and Recent Accounting Pronouncements - Additional Information (Detail) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended	12 Months Ended
	Jan. 02, 2021 USD ($) $ / shares	Mar. 31, 2021 USD ($) Segment	Mar. 31, 2020 USD ($)	Sep. 30, 2020	Dec. 31, 2020
Summary Of Significant Accounting Policies [Line Items]
Number of operating segments | Segment		1
Net loss		$ (167,250)	$ (17,492)
ASU 2020-06
Summary Of Significant Accounting Policies [Line Items]
Increase in convertible notes	$ 96,800
Decrease in accumulated deficit	60,200
Decrease in additional paid-in-capital	157,000
Interest expense reduced	5,400
Net loss	$ 5,400
Increase in diluted earnings per share (in dollar per share) | $ / shares	$ 0.07
Product Revenues [Member] | Customer One [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration of credit risk percentage		49.00%	44.00%
Product Revenues [Member] | Customer Two [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration of credit risk percentage		40.00%	40.00%
Product Revenues [Member] | Customer Three [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration of credit risk percentage		7.00%	12.00%
Accounts Receivable [Member] | Customer One [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration of credit risk percentage		49.00%			45.00%
Accounts Receivable [Member] | Customer Two [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration of credit risk percentage		40.00%			41.00%
Accounts Receivable [Member] | Customer Three [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration of credit risk percentage		7.00%			9.00%
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Accounts receivable payment term				60 days
Minimum [Member] | Outside of U.S. [Member]
Summary Of Significant Accounting Policies [Line Items]
Accounts receivable payment term				45 days
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Accounts receivable payment term				91 days
Maximum [Member] | Outside of U.S. [Member]
Summary Of Significant Accounting Policies [Line Items]
Accounts receivable payment term				150 days