Stock-based compensation - Narrative (Detail) $ / shares in Units, shares in Thousands, $ in Thousands		1 Months Ended		12 Months Ended
	May 18, 2021 shares	Jan. 31, 2023 shares	Jan. 31, 2022 shares	Dec. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Jun. 30, 2023 shares	Jun. 30, 2021 shares	Jun. 24, 2013 shares	Jun. 03, 2013 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Increase in common stock available for issuance under 2013 plan (in shares) | shares		2,800	3,300
Stock-based compensation expense				$ 19,429	$ 35,090
Stock-based compensation capitalized into inventory				$ 1,700	$ 300
Weighted average grant date fair value of options granted (in dollars per share) | $ / shares				$ 3.24	$ 4.46
Intrinsic value of stock options exercised				$ 0	$ 0
Conversion ratio				0.3333
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense				$ 6,478	14,168
Unrecognized stock- based compensation expense related to unvested stock options, restricted stock awards and employee stock purchase plan				$ 8,700
Expected weighted-average period related to unvested stock options, restricted stock awards and employee stock purchase plan				1 year 11 months 15 days
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense				$ 12,619	20,138
Unrecognized stock- based compensation expense related to unvested stock options, restricted stock awards and employee stock purchase plan				$ 18,800
Expected weighted-average period related to unvested stock options, restricted stock awards and employee stock purchase plan				2 years 11 months 1 day
Intrinsic value of restricted stock units vested				$ 5,400	6,000
Fair value of stock vested				15,200	14,000
Employee stock purchase plan and other
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares reserved for future issuance (in shares) | shares									200
Stock-based compensation expense				$ 332	$ 784
Increase in shares authorized (in shares) | shares							1,400
Employee stock purchase plan and other | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, shares issued in period (less than) (in shares) | shares				100	100
2013 Stock Option and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares reserved for future issuance (in shares) | shares								1,000
Percentage of automatic increase in shares reserved and available for issuance determined based on shares outstanding				4.00%
2023 Incentive Award Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for issuance (in shares) | shares				5,100		5,200
2021 Inducement Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for issuance (in shares) | shares	600		1,250	1,100
Award vesting period	4 years
Expiration period	10 years