Related parties -Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended	12 Months Ended
	Sep. 13, 2023	Jul. 05, 2023	Feb. 28, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Related Party Transaction [Line Items]
Stock-based compensation expense reversed				$ 1,100
Vested or expected to vest in the future, Weighted average exercise price				$ 1.82
Common stock, shares outstanding				125,445,325	105,032,588
Shares acquired and retired		312,500
Gross profit (loss)				$ 8,307	$ (27,228)	$ (32,545)
Outstanding capital stock held		10.00%
Common stock issued for notes purchased				125,445,325	105,032,588
Related party receivables				$ 868	$ 0
Related party accrued cost of revenue				1,451	0
Vendor Deposits				$ 6,187	5,085
Restricted stock units [Member] | Director [Member]
Related Party Transaction [Line Items]
Common stock issued for notes purchased		250,000
Restricted stock units [Member] | Audit Committee Chairman [Member]
Related Party Transaction [Line Items]
Common stock issued for notes purchased		62,500
Fernweh Engaged Operator Company LLC [Member]
Related Party Transaction [Line Items]
Unamortized prepaid balance	$ 3,200
Vested Options, Outstanding, Period				1,000,000
Vested or expected to vest in the future, Weighted average exercise price				$ 3.86
Forfeiture of unvested stock	2,000,000
Alpha Steel [Member]
Related Party Transaction [Line Items]
Related party receivables				$ 900
Related party accrued cost of revenue				1,500
Vendor Deposits				500
Total deposits				1,100
Related Party [Member]
Related Party Transaction [Line Items]
Gross profit (loss)				0	300
Related Party [Member] | Fernweh Engaged Operator Company LLC [Member]
Related Party Transaction [Line Items]
Cash Payments				2,500	2,500
General and administrative expense				$ 3,500	$ 3,900
South Lake One LLC [Member]
Related Party Transaction [Line Items]
Outstanding capital stock held			5.00%