CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 37,042	$ 209,841
Receivables, related party	467
Prepaid and other current assets	9,554	13,819
Cryptocurrencies	787
Total current assets	47,850	223,660
Deposits on equipment	196,707	114,857
Property and equipment, net	23,637	5,124
Security deposits	11,417	10,352
Investment in equity investee	56,828
Right-of-use asset	5,512
Deferred investment cost		174
Total assets	341,951	354,167
Current liabilities
Accounts payable	4,739	242
Accounts payable, related party	12,038
Operating lease liability, current portion	975
Accrued expenses	5,811	257
Total current liabilities	23,563	499
Operating lease liability, net of current portion	5,023
Warrant liability	26	137
Total liabilities	28,612	636
Commitments and contingencies (Note 11)
Stockholders' equity
Preferred stock, $0.001 par value; 10,000,000 shares authorized, none issued and outstanding as of June 30, 2022 and December 31, 2021
Common stock, $0.001 par value, 500,000,000 shares authorized, 251,001,072 and 252,131,679 shares issued as of June 30, 2022 and December 31, 2021, respectively, and 247,489,582 and 249,279,420 shares outstanding as of June 30, 2022 and December 31, 2021, respectively	251	252
Additional paid-in capital	431,966	425,438
Treasury stock, at par, 3,511,490 and 2,852,259 shares at June 30, 2022 and December 31, 2021, respectively	(4)	(3)
Accumulated deficit	(118,874)	(72,156)
Total stockholders' equity	313,339	353,531
Total liabilities and stockholders' equity	$ 341,951	$ 354,167