Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets

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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Current assets:    
Cash and cash equivalents $ 196,846 $ 128,273
Accounts receivable, net of allowance for doubtful accounts of $15 and $0, respectively 553 583
Accounts receivable due from related parties 1,316 1,377
Prepaid expenses and other current assets 3,160 3,458
Total 201,875 133,691
Property, plant and equipment, net 116,437 115,856
Deferred engineering costs 44,100 18,000
Other non-current assets 11,126 9,276
Total assets 373,538 276,823
Current liabilities:    
Accounts payable 2,118 11,462
Accrued liabilities 25,707 39,101
Other current liabilities 0 1,735
Total 27,825 52,298
Asset retirement obligation 659 638
Total liabilities 28,484 52,936
Commitments and contingencies (Note 7)
Stockholders’ equity:    
Preferred stock, $0.01 par value, 100,000,000 authorized: 6,123,782 and zero shares outstanding, respectively 43 0
Common stock, $0.01 par value, 400,000,000 authorized: 240,522,514 and 222,749,220 shares outstanding, respectively 2,193 2,043
Additional paid-in capital 731,970 549,958
Accumulated deficit (389,152) (328,114)
Total stockholders’ equity 345,054 223,887
Total liabilities and stockholders’ equity $ 373,538 $ 276,823