CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 73,259	$ 217,114
Marketable securities	79,507
Accounts receivable	1,147	788
Unbilled receivables	2,824	221
Inventories, net	1,896	1,006
Prepaid expenses and other current assets	5,512	9,202
Total current assets	164,145	228,331
Property and equipment, net	7,775	7,051
Intangible assets, net	20,726
Goodwill	70,861
Other non-current assets	503	441
Total assets	264,010	235,823
Liabilities, Current [Abstract]
Accounts payable	1,646	1,681
Accrued liabilities	8,133	4,480
Total current liabilities	9,779	6,161
Warrant liabilities	3,169	13,701
Deferred tax liabilities	2,768
Other non-current liabilities	2,017	1,999
Total liabilities	17,733	21,861
Commitments and contingencies (Note 12)
Stockholders' equity:
Common stock, $0.0001 par value, 990,000,000 shares authorized as of June 30, 2022, and December 31, 2021; 152,229,803 and 137,722,658 shares issued and outstanding as of June 30, 2022, and December 31, 2021, respectively	15	14
Additional paid-in capital	434,073	359,439
Accumulated deficit	(187,811)	(145,491)
Total stockholders' equity	246,277	213,962
Total liabilities and stockholders' equity	$ 264,010	$ 235,823